Model # 100137

Internet #203533438

Store SKU #513846

GRK Fasteners #10 x 3-1/8 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (210-Pack)
0628611001379

GRK Fasteners

#10 x 3-1/8 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (210-Pack)

  • 20% faster drive time
  • Zero stripping
  • No splitting
$2998 /each
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Frequently Bought Together

Product Overview

  • 20% faster drive time
  • Zero stripping
  • No splitting
GRK’s R4 Self Countersinking screw has 6 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

Product Overview

  • 20% faster drive time
  • Zero stripping
  • No splitting
Model #: 100137
Sku #: 513846
Internet #: 203533438

GRK’s R4 Self Countersinking screw has 6 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

Info & Guides

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Name #10 x 2-1/2 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (240-Pack) #10 x 3-1/8 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (210-Pack) #10 x 4 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (150-Pack) #8 x 2-1/2 in. Star Drive Trim-Head Finish/Trim Screw (420-per Pack)
Brand GRK Fasteners GRK Fasteners GRK Fasteners GRK Fasteners
Ratings (4) (13) (1) (1)
Drive Style Star Star Star Star
Fastener/Connector Material Steel Steel Steel Steel
Size #10 #10 #10 #8
Screw Length 2-1/2 in 3-1/8 in 4 in 2-1/2 in
Package Quantity 240 210 50 420
Fastener Thread Type W-Cut W-Cut Standard W-Cut
Head Style Flat Flat Flat Trim
View Product View Product View Product View Product

Specifications

Dimensions

Product Depth (in.)
0.19
Product Height (in.)
3.125
Product Width (in.)
0.19
Screw Length
3-1/8 in

Details

ACQ Rated Fastener
Yes
Coated
Y
Drive Style
Star
Driver bit included
Yes
Fastener Callout Size
#10 x 3-1/8
Fastener Plating
Polymer
Fastener Thread Type
W-Cut
Fastener Type
Wood Deck Screw
Fastener/Connector Material
Steel
Finish
Climatek coating
Finish Family
Metallic
Head Style
Flat
Indoor/Outdoor
Indoor/Outdoor
Measurement Standard
SAE
Package Quantity
210
Primary Use
Wood, particle-board, and cement fiberboard applications
Product Weight (lb.)
0.016lb
Self drilling
Yes
Self tapping
Yes
Size
#10
Tamper Resistant
No

Warranty / Certifications

Manufacturer Warranty
No

Specifications

Dimensions

Product Depth (in.)
0.19
Product Height (in.)
3.125
Product Width (in.)
0.19
Screw Length
3-1/8 in

Details

ACQ Rated Fastener
Yes
Coated
Y
Drive Style
Star
Driver bit included
Yes
Fastener Callout Size
#10 x 3-1/8
Fastener Plating
Polymer
Fastener Thread Type
W-Cut
Fastener Type
Wood Deck Screw
Fastener/Connector Material
Steel
Finish
Climatek coating
Finish Family
Metallic
Head Style
Flat
Indoor/Outdoor
Indoor/Outdoor
Measurement Standard
SAE
Package Quantity
210
Primary Use
Wood, particle-board, and cement fiberboard applications
Product Weight (lb.)
0.016lb
Self drilling
Yes
Self tapping
Yes
Size
#10
Tamper Resistant
No

Warranty / Certifications

Manufacturer Warranty
No

Questions & Answers

Is this considersed a structural screw?

Asked by: Paul
GRK does make fasteners specifically designed for structural work, the shear strength of these screw will out perform a 16d nail by double. Look for the RSS line of fasteners from GRK I use them in place of lag screws all the time. Easier driving and stronger test results.
Answered by: DoggieDaddy
Date published: 2017-04-27
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Customer Reviews

#10 x 3-1/8 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (210-Pack) is rated 4.8 out of 5 by 13.
Rated 5 out of 5 by from GRK fasteners are the best screws on the market today. Forget the cheap imitations; price is not ... GRK fasteners are the best screws on the market today. Forget the cheap imitations; price is not everything...or it should not be given the nature of what exactly one is using screws to do. I use these exclusively for framing, building headers, and general purpose. The shear strength of these screws is incredible given the relation to a standard 16 penny nail. They drive without much effort and are consistent out of the packaging. As for the packaging, I use them so quickly I do not need to worry about whether the lid remain intact. However, I have reused the package for numerous other things for organization without any issue. The fasteners will outperform the other competition, and when relying on the screw to hold together our most expensive investment, it matters!
Date published: 2017-04-27
Rated 5 out of 5 by from These are great They're a little spendy compared to run of the mill screws but paying a little more for a lot less hassle is completely worth it. The star (torx) bit is light years better than a Phillips or Flat bit. It never chews up the head, it always grabs, you can always back it out. The threading is really unique and functional. The tip has a knife edge which makes it really easy to start, and there is a unique threading near the head that is supposed to cut down on splintering. I haven't had any issues with splintering or driving them - and had zero waste on my last project. They're rated for exterior / pressure treated use but still have a dull brass finish - which means you can use them in a pinch on interior projects where a grey screw might have looked bad.
Date published: 2014-07-15
Rated 4 out of 5 by from Great multi-purpose screw This is a very nice product. The tip of the screw has a cutting edge in it to allow you to skip pre-drilling the hole. The head is fluted to self counter sink in wood. The screws require a torx bit which is included in the pail. The pail lid has a place to hold the bit. I drove screws in 2x4s with a battery drill. Once the tip of the screw bit into the wood, the screw drove all the way through the wood quickly, smoothly and easily. Driven into the end of the 2x4 they sank nice and clean. Driven into the side of the 2x4 there was some splitting and tearing of the wood. The lid of the pail keeps popping off when I try to open it which is an indication of poor pail design but the screws themselves are excellent.
Date published: 2014-12-27
Rated 5 out of 5 by from A good short screw and worth the price Since I discovered high-tech screws, I have mostly stopped using lag-screws or abusing drywall screws. The funny shape heads and threads really do go-in and hold better. And after a fling with a lower-price brand, I am back to favoring GRK. The low-price screws my helper picked didn't want to start, didn't want to go where aimed, slipped on the bit, and didn't feel firm. These GRKs go in and HOLD. They have near the strength of lag-screws, cost less so you can use more, and don't split lumber the way lag-screws can. Self-washered too. I used these to repair laps and slices in an old hasty-built woodshed. Nails were not holding in this funky old lumber. I put a couple screws in a splice and it held WELL. I put a couple more in to handle snow-load, and I expect it to stay strong for another 30 years.
Date published: 2014-12-28
Rated 5 out of 5 by from Great for replaging old nails or screws I have an old bee hive that was starting to come apart. The old 2" decking screws used to build it were stripped. I wanted to try fixing before replacing since the bees were doing well. I tried these screws in the old holes and had no problems with grabbing the wood in the old holes with the larger diameter threads. In addition the cutting tip made east work of lengthening the holes with no splitting problems. Next I am going to use these to replace some nail pops on my front porch.
Date published: 2015-02-10
Rated 5 out of 5 by from Great Fasteners! These fasteners as pretty unique in their design. I have been using another brand from another big box company but found these fasten with less strain and pain on my shoulders. They bite the wood quickly and will actually go below the surface effortlessly with a serrated type head. Another advantage is that you will be charging your drill battery less often because of their design. Someone put some thought into making a better fastener and succeeded.
Date published: 2014-07-25
Rated 5 out of 5 by from Quality General-Purpose Screws I've used other GRK screws before and they are nicely engineered to start into the material smoothly and quickly and then "pull" into the wood with less effort that traditional screws. I don't really like the T-25 Torx (Star) bit head because even though one comes with the bigger packages of screws, I don't have these in my drill driver sets. I would have preferred a square drive, but they do work great and it is not enough to keep me from giving them a 5-star review.
Date published: 2014-12-30
Rated 4 out of 5 by from Easy to drive and hold well These screws seem easier to drive than a deck screws. I used them on new and old pressure treated wood and was surprised how easy they went in. I like the large head on these, as it does not pull in as easily. I would prefer a square drive over the torx drive. The holding power seems to be as good as a common desk screw. I'll see how they hold up against rusting, to see if there are better, worse, or about the same as coated deck screws.
Date published: 2014-10-30
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