Will this cut 1/2 cementboard?

It cuts hardie backer board better than cement board because cement board is more of a cemented material with thread inserted.

Can i use this on a 20v drill?

yes you can i use mine with a a ridgid 18 volt drill just make sure it is a drill and not a impact driver

Can this be used to cut 5/16" cement board siding (cemplank), as opposed to backer board?

Absolutely. In fact, I didn't know it would cut backer board. I built a shed with 5/16" hardiboard siding all the way around, and it was one of the life savers of the project.

I want to add trim around windows, can this be used on already installed cement fiber board?

No, the cutting mechanism on the tool needs at least 1” space behind the board in order to travel freely up and down while it cuts

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PacTool SS724 Snapper Shear Pro - Cutting Tool for Fiber Cement Board - Power Shears Professional Power Tools

PacTool SS724 Snapper Shear Pro - Cutting Tool for Fiber Cement Board - Power Shears Professional Power Tools

Product ID: 124757843

Details

Blade Material
High Carbon or
Brand
PacTool
Color
Multi-color
Material
Alloy Steel
Product Dimensions
17"L x 5"W

🔄360° rotating universal shear head

🔋Works with any 18V+ cordless drill

🌬️Minimizes airborne dust for safer work

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Description

✂️ Cut smarter, not harder — the pro’s secret weapon for flawless fiber cement cuts!

360 PRECISION CUTTING - Rotate the shear head freely to master straight, curved, and even 3-inch diameter circle cuts with ergonomic ease.
DUST REDUCING INNOVATION - Smart shears technology dramatically cuts airborne dust, keeping your workspace cleaner and OSHA compliant.
CORDLESS POWER COMPATIBILITY - Seamlessly attaches to any 18V or higher cordless drill for ultimate mobility and convenience.
TRUSTED PRO GRADE DURABILITY - Crafted from high carbon alloy steel with a powder-coated finish, backed by a 1-year limited warranty for peace of mind.
VERSATILE REMODELING ESSENTIAL - Perfect for fiber cement boards, siding, kitchen, and bathroom renovations—ditch the score and snap for good.

The PacTool SS724 Snapper Shear Pro is a professional-grade drill attachment designed for cutting 1/4 to 1/2-inch fiber cement boards like HardieBacker. Featuring a 360° rotating shear head, it enables precise straight, angled, and curved cuts, including circles as small as 3 inches. Compatible with any 18V+ cordless drill, it reduces airborne dust for safer job sites and is built from durable high carbon alloy steel with a powder-coated finish. Ideal for contractors and DIYers tackling siding, remodeling, and renovation projects.

Specifications

ASIN	B07RLYR7DP
Batteries Required?	No
Best Sellers Rank	#72,517 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #45 in Power Shears
Blade Edge	Straight
Color	Multi-color
Customer Reviews	4.4 4.4 out of 5 stars (1,385)
Date First Available	May 6, 2019
Finish	Powder Coated
Handle Material	Plastic
Included Components	Snapper Shear Pro
Item Package Quantity	1
Item Weight	0.01 ounces
Item model number	SS724
Manufacturer	General Tools
Material	Alloy Steel, High Carbon Steel
Part Number	SS724
Pattern	Cutting Tool
Power Source	Hand Powered
Product Dimensions	5 x 3.5 x 4 inches
Shape	Straight
Size	5 x 3.5 x 4 inches
Style	Universal Shear Head / Attaches to any drill
Warranty Description	1 Year Limited, See more details at generaltools.com

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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HK$1247

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In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hong Kong.

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