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Patented friction-cam mechanism - supports full 12’ fiber cement-board siding lengths. One-person installation – working as a pair, the gecko gauge fiber cement siding tool supports fiber cement-board siding for one-person installation with virtually no layout time.


Polycrystalline, diamond-tipped teeth provide longer circular saw blade life. 4 tpi. Circular saw blade creates less dust compared to a standard carbide-fiber cement blade.

Dust-free- unique backerboard shear design allows for both indoor and outdoor operation. Straight & clean cuts - snapper Shear cuts up to 1/2” thick Hardiebacker fiber cement under layment.


1. Smart-Bit
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Smart-Bit Pre-drilling and Countersinking Tool for Fiber Cement Board Including James Hardie Fiber Cement Board
#adSmart-Bit #ad - Smart-bit tool for Fiber Cement Board. Each smart-bit comes with 2 replacement drill bits. The smart-bit stop collar spins free of the drill bit, preventing marring of the surface. Tungsten carbide Tipped Countersink & Drill Bit.More information #ad
Brand | Smart-Bit #ad |
Manufacturer | Starborn Industries, Inc. #ad |
Height | 1 Inches |
Length | 9 Inches |
Width | 4 Inches |
Part Number | BDA446RV |
Model | BDA446RV |
More information #ad
2. Norske Tools
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Norske Tools NCSBP281 6-1/2 inch 4 Tooth Polycrystalline Diamond PCD Hardie Fiber Cement Saw Blade
#adNorske Tools #ad - Specially designed for cutting HardiePlank, Cemplank and other fiber cement products. Laser-cut body, anti-vibration and expansion slots reduce noise and vibration during operation.More information #ad
6-1/2 inches x 4 PCD Teeth. Features abrasion-resistant polycrystalline diamond carbide for faster cutting and increased cutting life. Extra-large gullet design improves material removal and minimizes dust. Polycrystalline diamond.Brand | Norske Tools #ad |
Manufacturer | Norke Tools Ltd #ad |
Height | 6.5 Inches |
Length | 6.5 Inches |
Weight | 0.55 Pounds |
Width | 0.13 Inches |
Part Number | NCSBP281 |
Model | NCSBP281 |
Warranty | no guarantee |
More information #ad
3. Bullet Tools
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213 13 in. EZ Shear Siding Cutter with blade for hardie plank, fiber-cement siding, and trim, vinyl siding, Bullet Tools
#adBullet Tools #ad - One shear blade outlasts over 20 saw blades. Cut where you work - Save time walking to and from your saw. Dust free cutting provides a healthier job site. Quiet operation / No Electricity - Cut anytime day or night. Made in the USA.More information #ad
Brand | Bullet Tools #ad |
Manufacturer | bullet tools #ad |
Height | 17 Inches |
Length | 25 Inches |
Weight | 23 Pounds |
Width | 5 Inches |
Part Number | 213 |
Model | 213 |
Warranty | 1 year limited warranty |
More information #ad
4. C.S. Unitec
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Stone, Hardie Board, CS Unitec EDS 125 5" Circular Diamond Hand Saw for Wet/Dry Cutting of Ceramic Tile
#adC.S. Unitec #ad - 5 inch. Step less miter adjustments up to 45 ̊ – not tools required. Accepts curved cutting diamond blade for fast and safe radius cutting. Vacuum connection for use with CS Unitec's dust extraction vacuum systems. Adjustable cutting depth up to 1-3/8 inch.More information #ad
Brand | C.S. Unitec #ad |
Manufacturer | Eibenstock #ad |
Weight | 6.4 Pounds |
Part Number | EDS 125 |
Model | EDS 125 |
More information #ad
5. PacTool
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Fiber Cement Siding Installation Tool 1 Set , Green, PacTool International SA903 Gecko Gauge
#adPacTool #ad - Use with fiber-cement siding – use the sa903 gecko gauge siding tool with 5/16” fiber-cement siding, including James Hardie’s updated HZ5 series with new “eased” drip-edge profile.Patented friction-cam mechanism - supports full 12’ fiber cement-board siding lengths. One-person installation – working as a pair, the gecko gauge fiber cement siding tool supports fiber cement-board siding for one-person installation with virtually no layout time.
More information #ad
Adjustable – gauge is adjustable at 1/4” increments for 4”-8” siding reveals. Won’t scratch or mar – heavy gauge plastic won’t scratch or mar pre-painted siding.Brand | PacTool #ad |
Manufacturer | General Tools & Instruments #ad |
Height | 16 Inches |
Length | 12 Inches |
Weight | 1.3 Pounds |
Width | 12 Inches |
Part Number | SA903 |
Model | SA903 |
More information #ad
6. Irwin Tools
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8T 4935625, 12-Inch, IRWIN Tools Fiber Cement PCD Circular Saw Blade
#adIrwin Tools #ad - Thin kerf blade produces less dust than continuous rim blades. Ground and hardened plate body provides smooth and accurate cuts. Polycrystalline diamond-tipped teeth will last up to 15X longer than standard carbide fiber cement blades.More information #ad
Brand | Irwin Tools #ad |
Manufacturer | IRWIN #ad |
Height | 0.4 Inches |
Length | 13.94 Inches |
Weight | 1 Pounds |
Width | 16.06 Inches |
Part Number | 4935625 |
Model | 4935625 |
More information #ad
7. Irwin Tools
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7 1/4-inch, 4-Tooth 4935473, IRWIN Tools Polycrystalline Diamond-Tipped Fiber Cement Circular Saw Blade
#adIrwin Tools #ad - Polycrystalline, diamond-tipped teeth provide longer circular saw blade life. Circular saw blades last up to 15x longer compared to standard carbide-fiber cement blades.Polycrystalline, diamond-tipped teeth provide longer circular saw blade life. 4 tpi. Circular saw blade creates less dust compared to a standard carbide-fiber cement blade.
More information #ad
Cuts up to 9, 000' or 5 stacks of fiber cement. Circular saw blade creates less dust compared to a standard carbide-fiber cement blade. Circular saw blades last up to 15x longer compared to standard carbide-fiber cement blades. 4 tpi. Cuts up to 9, 000' or 5 stacks of fiber cement.Brand | Irwin Tools #ad |
Manufacturer | IRWIN #ad |
Height | 10 Inches |
Length | 7.8 Inches |
Weight | 0.6 Pounds |
Width | 0.32 Inches |
Part Number | 4935473 |
Model | 4935473 |
More information #ad
8. PacTool
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PacTool International SS424 Backerboard Shear
#adPacTool #ad - Use indoors without covering the house in dust, compared to using score-and-snap, easy clean up! Faster & easier- when the snapper shear is used to cut fiber cement, with less broken corners.Dust-free- unique backerboard shear design allows for both indoor and outdoor operation. Straight & clean cuts - snapper Shear cuts up to 1/2” thick Hardiebacker fiber cement under layment.
More information #ad
Powerful motor- backerboard snapper Shear boasts a contractor grade 6. 5-amp motor. Lower job site cost- increased efficiency and reversible blades machined from solid tool steel need less replacements, durable enough for 20, 000 running feet when used appropriately.Brand | PacTool #ad |
Manufacturer | General Tools & Instruments #ad |
Height | 16 Inches |
Length | 10.9 Inches |
Width | 3.5 Inches |
Part Number | SS424 |
Model | SS424 |
More information #ad
9. Malco
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Steel, Malco FCC4 Straight Cut Fiber Cement Siding Guillotine
#adMalco #ad - A large, with board stop, stable support plate, ensures straight, square cuts. Straight square cuts. No distortion or compression. No sharpening required! Cleanly cuts 5/16 in.More information #ad
Brand | Malco #ad |
Manufacturer | Malco #ad |
Height | 12.5 Inches |
Length | 28.5 Inches |
Weight | 19.5 Pounds |
Width | 12 Inches |
Part Number | FCC4 |
Model | FCC4 |
More information #ad
10. PacTool
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PacTool International SA902 Gecko Gauge, Fiber Cement Siding Installation Tool 1 Set
#adPacTool #ad - One-person installation – working as a pair, the gecko gauge fiber cement siding tool supports fiber cement-board siding for one-person installation with virtually no layout time. Use with fiber-cement siding – use the sa902 gecko gauge siding tool with 5/16” fiber-cement siding.More information #ad
Recommended for primed siding. Patented friction-cam mechanism - supports full 12’ fiber cement-board siding lengths. Adjustable – gauge adjusts for 5”, 6”, 7” and 8” siding reveals. Durable – the sa902 gauge is made of durable aluminum construction.Brand | PacTool #ad |
Manufacturer | General Tools & Instruments #ad |
Height | 11 Inches |
Length | 2.5 Inches |
Weight | 1.5 Pounds |
Width | 6 Inches |
Part Number | SA902 |
Model | SA902 |
More information #ad