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GRK 772691001375 R4 Bulk Number-10 by 3-1/8-Inch Screw

by GRK

Price: CDN$ 266.00 & FREE Shipping. Details
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  • Climatek coating
  • Self-tapping screw with countersinking head
  • No pre-drilling use GRK bit T-25
  • No stripped heads
  • Can be used in wood, particle-board, cement fiberboard, plastic and sheet metal
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Product information

Technical Details
Part Number772691001375
Item Weight10.3 Kg
Product Dimensions25.4 x 17.8 x 25.4 cm
Item model number772691001375
Size3-1/8-Inch
Item Package Quantity1
Batteries Required?No
Weight10.3 kilograms
Length25.4 centimeter
Width17.8 centimeter
Height25.4 centimeter
  
Additional Information
ASINB001PD2RMA
Customer Reviews Be the first to review this item
Shipping Weight10.1 Kg
Date First AvailableSept. 16 2011
  
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Product description

Amazon.ca Product Description

GRK's R4 self countersinking screw has a new underhead with saw-blade like cutting teeth and six self-contained cutting pockets. Together they act similar to a circular saw-blade, transporting the drill dust away from the edge of the screw hole while cutting a perfectly clean hole into even the most brittle materials without cracking any surface treatment. This design also further enhances the R4's versatility by allowing the fastener to be installed without countersinking into even the hardest woods. The screw head closes the hole off with precision, leaving no damaged fibers around the head.

From the Manufacturer

GRK's R4 self countersinking screw has a new underhead with saw-blade like cutting teeth and six self-contained cutting pockets. Together they act similar to a circular saw-blade, transporting the drill dust away from the edge of the screw hole while cutting a perfectly clean hole into even the most brittle materials without cracking any surface treatment. This design also further enhances the R4's versatility by allowing the fastener to be installed without countersinking into even the hardest woods. The screw head closes the hole off with precision, leaving no damaged fibers around the head.


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Most helpful customer reviews on Amazon.com

Amazon.com: 5.0 out of 5 stars 4 reviews
Michael Dierenfeld
5.0 out of 5 starsFive Stars
June 20, 2016 - Published on Amazon.com
Verified Purchase
One person found this helpful.
Tag
5.0 out of 5 starsBest screws
November 4, 2015 - Published on Amazon.com
Verified Purchase
One person found this helpful.
Builderman
5.0 out of 5 starsthe heads don't often shear off nearly as easily as similar products
October 26, 2016 - Published on Amazon.com
One person found this helpful.
homes52
5.0 out of 5 starsFive Stars
January 9, 2015 - Published on Amazon.com
Verified Purchase
One person found this helpful.

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