0628611031413

GRK Fasteners

Model 103141

Internet #203525231

Store SKU #725515

#10 x 4 in. R4 Self-Countersinking Flat-Head Multi-Purpose Screw (50 per Pack)

$8.76 /package

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Product Overview

GRK’s R4 Self Countersinking screw has six self-contained cutting pockets which act like a router and transport the drill dust away from the edge of the screw hole. They also widen the countersink hole only around the head shape. The screw head top closes the hole exactly, leaving no damaged fibers around the wider area of the head.

  • For use in wood, particle-board, cement fiberboard, plastic, sheet metal
  • Self-tapping
  • No pre-drilling
  • No stripped heads
  • Note: Product may vary by store

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Customer Questions & Answers

1 Question2 Answers

Customer Questions & Answers

#10 x 4 in. R4 Self-Countersinking Flat-Head Multi-Purpose Screw (50 per Pack)
#10 x 4 in. R4 Self-Countersinking Flat-Head Multi-Purpose Screw (50 per Pack)

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rust

This question is from #10 x 4 in. R4 Self-Countersinking Flat-Head Multi-Purpose Screw (50 per Pack)
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February 18, 2016
are these screws rust proof or rust resistent
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Answers (2)

Asked by
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February 22, 2016
Answer: 
Thank you for your question. GRK R4 screws are coated with Climatek for corrosion resistance. If you have additional questions about GRK fasteners, feel free to contact our Customer Support Team at 877-489-2726 from 8:00 - 5:00 CT Monday - Friday.
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February 20, 2016
Answer: 
These screws are corrosion resistant.
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  • 2016-08-29 T15:19:24.379-05:00
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Customer Reviews

Rated 5.0 out of 5 by 1 reviewer.
Rated 5.0 out of 5.0 by Solid Screws The T-25 bit included really does cause zero stripping. I made a dining room chair out of 2x4's, using a Ryobi Impact Driver. I was able to drive right through 2x4's (through and across) easily, without pre-drilling. I didn't waste a single screw, and not one was stripped. December 22, 2013
  • 2016-08-29 T16:26:26.014-05:00
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