Used Band Saw for sale (7,893)

Condition: used, Metal band saw blade, band saw blade, metal saw band -Quality: unused, original packaging -Toothing: 3/4 K-POS Podpfefvkm Nsx Aa Degg -Price: per piece -Number: 6x sheets available -Dimensions: 3830x27x0.9 mm -Weight: 0.8 kg/piece

Condition: good (used), Wood band saw, band saw machine, band saw, vertical band saw, metal band saw -Manufacturer: PEHAKA Petzing Pgjdpowfrx Nofx Aa Dsg

Year of construction: 1961, condition: used, Wood band saw, band saw machine, band saw, vertical band saw Pedpfx Asmzkh Ioa Djgg -Manufacturer: Hema Paul and Gotthilf Heermann, vertical band saw -Type: unfortunately without type designation -Drive: 4 kW -Cutting width: max.780 mm -Cutting height: max.480 mm -Saw band: length 5600 mm -Work table: pivoting -Dimensions: 1420/920/H2400 mm -Total weight: 800 kg

Condition: good (used), Year of construction: 2009, Metal band saw, fully automatic, band saw machine, band saw, vertical band saw, horizontal band saw, hydraulic horizontal band saw machine, automatic band saw, automatic metal band saw Podexx T Snspfx Aa Degg -Manufacturer: Pehaka, Horizontal band saw, automatic band saw -Drive: 4 kW -Cutting data flat: 570 x 550 mm -Cutting data square: 550 mm -Saw blade speed: continuously adjustable, 20-100 m/min -Saw blade: 6800 mm -Accessories: 16 saw blades, 2 roller conveyors, coolant system -Band saw dimensions: 1800/940/H1310 mm -Roller conveyor dimensions: 3000/500/H675 mm, 2 pieces -Weight: 2440 kg

Condition: excellent (used), Metal band saw blade, band saw blade -unused: original packaging -Number: 6x sheets available Pgjdpfx Asb A Inwea Dog -Price: per piece -Toothing: 4/6 -Dimensions: 4400 x 34 x 1.1 mm

Condition: new, NEBES TM 275 Band Saw Machine - 400 v Three-phase NEW "CE" INDUCTION motor Cast iron structure Adjustable cutting angle from 0° to 60° All cast iron structure Electric pump for blade lubrication and cooling Oil-bath blade tensioning gauge Front controls and two cutting speeds Deviator for exclusion of coolant pump Blade guide with carbide skids (H.M.) Round cut 0° 220 mm Square cut 0° 200 x 200 mm Flat Cut 0° 230 x 185 mm Round cut 45° 150 mm Square cut 45° 150x150 mm Flat Cut 45° 150x200 mm Round Cut 60° 90 mm Pgodpfx Ash Nm Ncoa Deg Square Cut 60° 90x90 mm Flat Cut 60° 90x120 mm HP 1.3 Voltage 400 V Blade size 2450 x 27 x 0.90 mm Weight 265 kg

Condition: new, NEW No.1 available for immediate delivery CE Warranty The MACC SPECIAL 335 MS is a semi-automatic band saw for the cutting of solid bars and profiles of small dimensions, with high efficiency and excellent precision. The robust structure gives the machine the necessary rigidity and precision to the cutting group. The belt drive is equipped with a two-speed motor and a special reducer complete with bronze gear with hardened and ground worm screw. The flywheels are suitably sized and the belt guides are sturdy and made with watertight bearings and adjustable carbide plates. By means of the electromechanical microswitch control it is possible to tension the band with the rotation of the blade. Equipped with an accident-prevention safety device on the flywheel cover and on the blade, the machine is completed by a rotating table for resting the material and a vice with a rapid approach device. Operation. The machine: 1. closes the vice and activates the band motor 2. makes the arc descend for cutting 3. the arc returns to the starting position 4. stops the band motor 5. opens the vice Manual cutting possibility Cutting speed (m/min) 38-77 Cutting thickness (mm) 1,2 Cutting range From 45 sx 60 dx Stop for cuts of the same size Adjustable Electric pump for cooling the band 0,06 kW Cutting capacity at 0°. Pgedpfog S Ui Aox Aa Dog

Condition: new, CNC automatic hydraulic sawing machine for cuts from 0° to 60° right, complying with all CE safety standards. The equipment has 9 programs, each of which consists of 99 steps, for a total of about 890 cutting positions with relative piece counter. Functioning: Material feed. Fixed vice closing. Blade rotation and dispensing of emulsifiable liquid. Arc descent until cutting is complete and return of the feeder carriage until the set size is reached. Arc return and stop blade rotation and coolant delivery. Fixed vice opening. Cycle repetition. Step by step advancement through ball screw. Numerical control of cutting quantity and length. Pgsdog Np Dxepfx Aa Dog Hydraulic unit with cutting pressure adjustment Blade tensioning obtained by manual rotation of the handwheel and guaranteed by electromechanical device. Brush cleaning device. Bimetallic belt 3010 x 27 x 0,9 mm. Hydraulic power pack motor 0.75 kW. Cutting thickness 1,2 mm. Material feeding stroke 600 mm. Electric pump 0.09 kW.

Condition: new, Used MACC SPECIAL 411 CSO Gravity descent bandsaw Podeficb Topfx Aa Dsgg New CE The basic characteristics of the machine (rigidity of the blade support, flywheel sizing, band guides, band tensioning) have been carefully studied to avoid the yielding of the band, increase its duration, improve linearity and cutting time. - Sawing machine with cut by falling arc regulated by a hydraulic circuit, manual bar feeding and vice closing, manual head return. - Vertical rotation on pivot with adjustable conical bearings without backlash - Band control with two-speed motor and special reducer with bronze gear and hardened and ground worm screw - Appropriately sized flywheels - Sturdy belt guides made of watertight bearings and adjustable widia plates - Tensioning of the band obtained by means of an electromechanical device with blade rotation microswitch control - Vice with rapid approach device - Accident prevention safety device on the flywheel cover, on the control knob and on the blade - Hydraulic cylinder for controlled descent - Cutting thickness 1,2 mm - Cutting range 45° left 60° right - Adjustable stop for cuts of the same size - 24 V low voltage system - 0.06 kW electric pump for belt cooling - Pedestal with drawer for chips collection and extractable tank for the cooling liquid - Machine predisposed

Condition: refurbished (used), Year of construction: 2010, functionality: fully functional, USED MACHINE – Manual metal band saw (hydraulic saw frame lifting), double mitre -45° – 90° – 30° Technical details: • Manufacturer: BEKAMAK • Year of manufacture: 2010 • Cutting capacity: 90° round: 270 mm; rectangular: 350 x 220 mm; square: 270 mm 45° right round: 230 mm; rectangular: 230 x 150 mm; square: 170 mm 30° right round: 150 mm; rectangular: 150 x 100 mm; square: 100 mm 45° left round: 190 mm; rectangular: 200 x 100 mm; square: 160 mm • Drive capacity Saw band drive 400 V / 50 Hz / 1.5 kW Coolant pump 400 V / 50 Hz / 0.12 kW Hydraulic motor 400 V / 50 Hz / 0.37 kW • Band speed 20 – 100 m/min • Working height 910 mm • Saw band 3160 x 27 x 0.9 mm • Dimensions 1730 x 770 x 1460 mm • Weight 476 kg Standard equipment: • Hydraulic lifting of the saw frame, which automatically returns to the preset starting position after the cut is complete • Powerful band drive via industrial electric motor with frequency inverter for variable band speed from 20 to 100 m/min • Saw frame lowering via hydraulic cylinder; infinitely adjustable • Saw frame height adjustment via limit switch • Robust, low-vibration cast frame • Quick-release vice for easy and convenient material clamping • Easy manual movement of the vice to left/right Pgedsycf D Ejpfx Aa Dsg • Simple mitre angle adjustment of the saw via rotation of the saw frame • Electronic saw blade tension monitoring with broken blade detection • Sturdy machine base with coolant tray and coolant pump • Carbide saw band guides and guide rollers • Light-duty material stop, 500 mm • Coolant pump with dual feed to the saw band guides, independently adjustable • Rotating band cleaning brush

Condition: ready for operation (used), Year of construction: 2006, functionality: fully functional, saw band length: 6,320 mm, saw band width: 100 mm, total height: 3,000 mm, total length: 13,100 mm, total width: 2,090 mm, cutting width (max.): 1,100 mm, table height: 950 mm, cutting height (max.): 990 mm, table width: 1,400 mm, table length: 11,070 mm, power: 22.5 kW (30.59 HP), Used Holzhäuer Wide Band Saw – 22.5 kW Machine Data: Manufacturer: Holzhäuer Model: Mobilsäge HD90 Machine type: Stationary wide band saw for wood Year of manufacture: 2006 Availability: from calendar week 08/2026 Technical Specifications: Max. log diameter: 1,400 mm Saw band length: 6,320 mm Band width: 100 mm Motor power: 22.5 kW Scorer: yes Hydraulic stops: 4 units Manual stops: 2 units Operation: Joystick – up to 12 functions Extraction connection: yes Condition & Maintenance: Machine in used condition due to daily operation. Hydraulic pump unit replaced in 2025. Podjycwncjpfx Aa Djgg Known defects: 1. Bent support surface 2. Digital cutting thickness setting defective → Optical scale retrofitted All details regarding defects and maintenance given to the best of our knowledge, errors excepted. Inspection of the machine possible.

Condition: good (used), Year of construction: 2008, Used fully automatic band saw from Bauer Type VG 450 ZA-2 Capacity: 90° 430 x 600 mm 45° Left 430 x 430 mm Podex Sdmropfx Aa Djgg 45° Right 430 x 440 mm 30° 430 x 260 mm Saw frame is inclined forward by 3° Hydraulic swiveling of the saw frame, 45° to the left and 30° to the right The material clamps have a full stroke The transport clamp has a stroke of 1500 mm Cooling by mist spray unit and/or coolant 2 cutting speeds: 30/60 m/min Excluding roller conveyors

Condition: as good as new (ex-display), Year of construction: 2026, Very robust and easy to use semi-automatic hydraulic double mitre band saw. Hydraulic saw feed and saw pressure separately adjustable, Vice can be operated hydraulically and manually, 2 saw band speeds as standard, material stop swivelling, Coolant device and chip container Main technical data: Sawing length up to 260 mm Sawing height up to 220 mm Pedpfx Aogk A Rwsa Djgg Saw diameter up to 220 mm Power 1,4 KW Dimensions lxwxh 1250x640x1300 mm Also available in other sizes (320 and 450 mm) Ask for a non-binding offer. We offer delivery, service, spare parts and saw bands from one source. Our postcode areas in Germany are 17,18,19,23

Condition: new, Year of construction: 2025, cutting diameter 240 mm saw band length 2910 x 27 x 0,9 mm cutting width 310 mm table height 900 mm 35 + 75 m/min 1,1/1,8 kW 470 kg 800 x 1720 x 1450 mm Manufacturer no. 20437 Description: - Miter cuts left 60° and right 45° - Quick-action clamping stick can be moved in the T-slot for quick position changes - Hydraulic brake cylinder - Large ball-bearing turntable for easy miter adjustment (durable) - Chip clearing brush - Machine base with automatic cooling system - Lockable main switch, emergency stop separately - EMC (Electromagnetic Compatibility), UVV - Current consumption display (saw band wear history, tool monitoring) Pgodpowa Ui Tofx Aa Dog - Automatically more performance with the proven Berg & Schmid 3-stage AutoCut system

Condition: new, cutting diameter 350 mm saw band length 4640 x 34 x 1,1 mm table height -- mm 350 mm 15 - 100 m/min 4,0 kW 2800 kg 2200 x 3200 x 2200 mm Fully automatic band saws with two-column guide for series cuts in particular materials that are difficult to machine and solid material. With this machine, MEP offers you a machine that is technically on the highest level and by using the highest quality materials one is not has an unbeatable, robust and torsion-resistant structure. An extreme Robust saw bow made of gray cast iron ensures the necessary stability impressive cutting results and the strong cast iron columns which the saw arch slides by means of pre-stressed linear guides take care of themselves at maximum load for the highest cutting precision. The modern Machine control (MEP NC 5.0) offers the user maximum ease of use and ensures trouble-free operation. (Check/evaluation/correction in real time) HIGHEST PERFORMANCE > The 2 operating modes (semi-automatic and automatic) make this possible efficient cutting in all conditions. > The control allows up to 100 cutting programs with each different quantities and lengths and minimizes the Programming time for frequently executed jobs. > The automatically detected start position of the saw head reduces the setting time. > The feed of the saw head via driven hydraulic cylinders Linear guides with preloaded recirculating ball bearings ensures the Reduction of mechanical vibrations during cutting and higher Stability. > The automatic alignment of the front saw blade guide head depends on the dimensions of the bars to be cut reduces the processing time. > The saw blade is tensioned by the brushless motor and is constantly controlled and automatically adjusted to the set minimum value. Pgjdelf Tu Uspfx Aa Djg EXTREMELY FLEXIBLE > The feed system with 600 mm stroke is repeatable and cuts all lengths. > The vertical pair of rollers allows any type of bar or bundle that to be fed, to hold and to align. > The vector converter for stepless adjustment of the blade speed from 15 to 100 m/min allows cutting of any material. > The motorized chip conveyor can be positioned to the right or left of the cutting area to be assembled. CHARACTERISTICS: Fully automatic control - NC 5.0 -Innovative (Windows CE based) touch screen control with additional software Touch buttons for common operating functions -USB port -Joystick for manual control of the axes (X-Y) -Controlled head descent with automatic compensation via an in cylinder mounted servo valve, constant monitoring of the preselected torque 4 and with precise feed adjustment in millimeters/minute 5 -Setting / pre-selection of the stepless belt speed in m/min. -Saw band tension with band tension control and indication on the display by means electronic converter -Automatic detection of the beginning of the cut -Large 7" color touch screen to display and select all Machine functions and parameters and programming in a matter of seconds. Advertisement detailed alarm and error messages -Numerous special functions including different lengths + quantities (10 Run programs) as a sequence, clean cut, step execution and much more. -Stable, torsion-resistant and low-vibration cast steel saw frame -Carbide band guides for maximum cutting precision, hinged for easy saw blade change -Largely dimensioned deflection pulleys, adjustable, made of cast steel integrated belt circulation contro...

Condition: new, cutting diameter 240 mm saw band length 2730 mm cutting width 270 mm cutting speed 37 + 74 m/min dimensions of saw-band 2730 x 27 x 0,90 mm 240 mm 230 mm 270 x 230 mm 210 mm 200 mm 200 x 210 mm 130 mm 130 mm 130 x 160 mm total power requirement 1,2 kW weight of the machine ca. 0,3 t dimensions of the machine ca. 1,6 x 1 x 1,7 m high-quality processed metal band saw with 2 band speeds, miter up to 60°, automatic cooling and AutoCut feed system - for sawing solid material and profiles Psdjhhzl Hjpfx Aa Djgg execution * High-quality processed and equipped metal band saw for saw cuts best quality * For sawing solid material and profiles made of steel, stainless steel and aluminium * Miter cuts up to 60 degrees left * Saw band speed adjustable in 2 stages * Frame and gearbox made from one piece, very quiet and low-vibration cut * Easy, clear miter adjustment with scale * Quick release vice with quick release lever for easy handling * Length stop * Carbide saw band guide * Electrical monitoring of band tension, band breakage and saw band cover. The saw only runs if there is no fault in the monitoring system. * Ergonomic industrial handle * Electric automatic coolant control * AutoCut system with hydraulic cylinder, feed control, spring pack and limit switch * Large machine bed * Machine base in sheet steel construction with front door AutoCut system * Automatic saw frame lowering via the hydraulic cylinder continuously adjustable feed and limit switch at the end of the cut. * High-speed lowering of the saw frame from the rest position to the workpiece, then switch to normal saw feed (e.g. for scribing). * Manual operation: The hydraulic cylinder works as a brake cylinder (e.g. for release). Due to the brake cylinder, the saw can be moved in any Position to be positioned.

Condition: new, cutting diameter 280 mm saw band length 3370 mm cutting width 350 mm dimensions of saw-band 3370 x 27 x 0,9 mm Podpfsivuqtjx Aa Djgg 280 mm 250 mm 350 x 200 mm 240 mm 220 mm 230 x 220 mm 170 mm 150 mm 170 x 100 mm saw tape speed 37 + 74 m/min total power requirement 1,8 kW weight of the machine ca. 0,6 t dimensions of the machine ca. 1,5 x 1,7 x 2,0 m

Condition: new, Year of construction: 2025, cutting diameter 335 mm saw band length 4400 x 34 x 1,1 mm table height 750 mm feed 5 - 2300 mm pro Hub capacity 90 degrees: flat 500 x 335 mm capacity 45 degrees: round 330 mm capacity 45 degrees: flat 320 x 335 mm capacity 45 degrees: round links 305 mm capacity 45 degrees: flat links 305 x 335 mm capacity 30 degrees: round 180 capacity 30 degrees: flat 170 x 335 15 - 150 m/min workpiece weight max. 250 kg/m kg 3,0 kW 2550 kg 4350 x 2300 x 1900 mm - The ergonomic panel control can be networked and offers various option packs * Teleservice for remote maintenance * Setting of sawing programs in the AV * Import of saw programs from CAD with DSTV interface and data export - Automatic material feed: - In a compact design for shorter sections or with flexible insertion tongs available in almost all lengths - Exact positioning of the material using servo positioning technology - Forward-looking electric saw feed with ball screw: highest Cutting performance and quality, while being gentle on the saw blade - Consistent use of the most modern recirculating ball guides: smooth-running, highly resilient, low-maintenance and backlash-free - Unique and patented double miter system: material is always stretched at right angles - Insertion tongs can be extended as required in 1000 mm increments Furnishing: - Automatic cutting pressure and feed monitoring - Frequency-controlled AC drive 15-150 m/min, 3 kW - Hydraulic material full stroke clamping - Automatic movement of the vice - Automatic saw frame height adjustment - Minimum speed and saw band monitoring - Electric miter swiveling via servo motor - Visualized program input with CNC control - Integrated MEBA tong insertion system from 5-2300 mm per stroke with integrated roller conveyor Pedoulnb Depfx Aa Djgg *Optional equipment: - Laser light for cutting line indication/scribing saws - Driven chip brush - Micro dosing system - Job menu - MEBA NC Server comfort package - Scraper belt conveyor for optimal chip disposal, 2000 mm length - Installation elements (4 pieces) - Adjustable deflector plate 335 DGA

Condition: new, cutting diameter 255 mm saw band length 2765 x 27 x 0,9 mm table height 950 mm 18-110 m/min 255 mm capacity 90 degrees: square 240 mm capacity 90 degrees: flat 300 x 180 mm capacity 45 degrees: round 210 mm capacity 45 degrees: square 190 mm capacity 45 degrees: flat 200 x 160 mm capacity 60 degrees: round 135 mm capacity 60 degrees: square 110 mm capacity 60 degrees: flat 130 x 100 mm capacity 45 degrees: round rechts 180 mm capacity 45 degrees: square rechts 160 mm capacity 45 degrees: flat rechts 180 x 100 mm 1,5/1,8 kW 350 kg 1700 x 900 x 2000 mm Manufacturer no. 20437 Description: - Miter cuts left 60° and right 45° Pgsdpot I D Tuofx Aa Djg - Quick-action clamping stick can be moved in the T-slot for quick position changes - Hydraulic brake cylinder - Large ball-bearing turntable for easy miter adjustment (durable) - Chip clearing brush - Machine base with automatic cooling system - Lockable main switch, emergency stop separately - EMC (Electromagnetic Compatibility), UVV - Current consumption display (saw band wear history, tool monitoring) - Automatically more performance with the proven Berg & Schmid 3-stage AutoCut system

Condition: new, cutting diameter 305 mm saw band length 3375 mm cutting width 350 mm dimensions of saw-band 3375 x 27 x 0,9 mm 305 mm 260 mm 350 x 200 mm Pgsdpfxsu Dbvts Aa Djg 250 mm 230 mm 230 x 200 mm 175 mm 155 mm 170 x 100 mm total power requirement 1,5 / 1,8 kW weight of the machine ca. 0,7 t dimensions of the machine ca. 1,5 x 1,8 x 1,9 m

Condition: new, cutting diameter 250 mm saw band length 2950 mm cutting width 280 mm dimensions of saw-band 2950 x 27 x 0,9 mm capacity 90 degrees: flat 280 x 200 mm capacity 90 degrees: square 230 mm capacity 45 degrees: round 190 mm Pgsdpfx Aexz Hhzea Djg capacity 45 degrees: flat 180 x 180 mm capacity 45 degrees: square 180 mm capacity 60 degrees: round 120 mm capacity 60 degrees: flat 110 x 110 mm capacity 60 degrees: square 110 mm total power requirement 1,5 / 1,8 kW weight of the machine ca. 0,4 t Powerful miter band saw for cuts from 0 ° to 60 ° left -CCS (CutControlSystem) for automatic cutting. (Stepless regulation of the Feed and switch-off at the end of the cut) Description: -Manual cutting cycle -AUTOMATIC CUT: (via selector switch) with stepless settings of the Lowering speed and adjustment of the cutting pressure via compensating spring -Stable, torsion-resistant and low-vibration saw frame made of cast steel -Vice with quick release - Carbide band guides for maximum cutting precision -Large dimensioned deflection discs, adjustable made of cast steel -Hydraulic unit for the saw band tension and monitoring with display on Manometer (belt tension = 900 kg) -Clearly arranged control panel with all controls -Electric coolant pump for cooling and lubricating the saw band -Schipping brush for cleaning the saw band

Condition: new, cutting diameter 220 mm saw band length 2450 mm cutting width 250 mm cutting speed 40 / 80 m/min dimensions of saw-band 2450 x 27 x 0,9 mm 100 mm 90 mm 90 x 90 mm 160 mm 160 x 110 mm 250 x 190 mm total power requirement 0,75 / 1,1 kW table height 925 mm Podpfx Aaslb I A Sj Dsgg weight of the machine ca. 218 kg dimensions of the machine ca. 1300 x 700 x 1530 mm

Condition: new, cutting diameter 225 mm saw band length 2480 mm cutting width 250 mm cutting speed 45 / 90 m/min dimensions of saw-band 2480 x 27 x 0,9 mm capacity 45 degrees: flat 135 x 185 - 145 x 150 mm capacity 45 degrees: round 150 mm capacity 45 degrees: square 145 mm capacity 60 degrees: flat 63 x 107 - 69 x 90 mm capacity 60 degrees: round 70 mm capacity 60 degrees: square 70 mm capacity 90 degrees: flat 240 x 160 - 250 x 110 mm capacity 90 degrees: round 225 mm capacity 90 degrees: square 185 mm total power requirement 0,75 / 1,1 kW weight of the machine ca. 200 kg dimensions of the machine ca. 1385 x 580 x 890 mm Technical features: - Hydraulic head descent control system - End stop at the end of the cut - Powerful three-phase induction motor with 2 speeds and Transmission with oil bath Pedpfslb I Dajx Aa Dsgg - Saw frame, vice and swivel group made of cast steel - Steel blade guide with ball bearings - Vice with quick clamping - Lever integrated on the front for locking the miter adjustment - Coolant pump with aluminum body - Large hand wheel for easy saw blade tension - Pressure gauge to show the belt tension (600-1000 kg/cm3) - Emergency stop safety switch - Swarf brush for cleaning the saw blade STANDARD EQUIPMENT: - Mountable base cabinet - coolant tank - Electric coolant pump - Length stop for serial cuts - Band change and settings tools - Chip removal brush - Hydraulic cylinder with feed control

Condition: used, Year of construction: 1968, roll diameter 500 mm throat 1050 / 485 mm workpiece height 300 mm saw band length 3920 - 4050 mm cutting speed 15 - 940 m/min table height 1040 mm table surface area 750 x 800 mm Table tiltable 15 Grad total power requirement 4,0 kW weight of the machine ca. 1750 kg dimensions of the machine ca. 2100 x 1000 x 2100 mm - Unique mitering range left/right up to 30° acute angle - Mitering adjustment via lockable detent every 15° - Adjustable saw blade for optimum cutting angle - Hydraulic clamping device on both sides - Electric blade breakage monitoring - Smooth-running saw carriage via preloaded recirculating ball bearings - Additional table 450 x 450 Podpfx Aaeiqp Ero Dsgg - Machine light

Condition: used, Year of construction: 2005, cutting diameter 178 mm saw band length 2265 mm cutting width 225 mm dimensions of saw-band 2265 x 20 x 0,9 mm band speed 30 / 60 m/min Psdpferzwwrjx Aa Degg capacity 90 degrees: round 178 mm capacity 90 degrees: flat 225 x 110 mm capacity 45 degrees: round 140 mm capacity 60 degrees: round 85 mm total connected load 0,75 kW weight of the machine ca. 165 kg dimensions of the machine ca. 1100 x 700 x 1650 mm Furnishing: - Coolant device - band saw blades