Model # 100101

Internet #203533402

Store SKU #489745

GRK Fasteners #9 x 2-1/2 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (300-Pack)
0628611001010

GRK Fasteners

#9 x 2-1/2 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (300-Pack)

  • 20% faster drive time
  • Zero stripping
  • No splitting
$2598 /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 #: 100101
Sku #: 489745
Internet #: 203533402

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 #9 x 3-1/8 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (240-Pack) #9 x 2-1/2 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (300-Pack) #9 x 2 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (330-Pack) #10 x 2-1/2 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (240-Pack)
Brand GRK Fasteners GRK Fasteners GRK Fasteners GRK Fasteners
Ratings (2) (22) (1) (4)
Drive Style Star Star Star Star
Fastener/Connector Material Steel Steel Steel Steel
Size #9 #9 #9 #10
Screw Length 3-1/8 in 2-1/2 in 2 in 2-1/2 in
Package Quantity 240 300 330 240
Fastener Thread Type W-Cut W-Cut W-Cut W-Cut
Head Style Flat Flat Flat Flat
View Product View Product View Product View Product

Specifications

Dimensions

Product Depth (in.)
.177
Product Height (in.)
2.5
Product Width (in.)
.177
Screw Length
2-1/2 in

Details

ACQ Rated Fastener
Yes
Coated
Y
Drive Style
Star
Driver bit included
Yes
Fastener Callout Size
9 x 2-1/2 in.
Fastener Plating
Polymer
Fastener Thread Type
W-Cut
Fastener Type
Specialty Fastener
Fastener/Connector Material
Steel
Finish
Climatek coated
Finish Family
Metallic
Head Style
Flat
Indoor/Outdoor
Indoor/Outdoor
Measurement Standard
SAE
Package Quantity
300
Primary Use
Wood, particle-board, and cement fiberboard applications
Product Weight (lb.)
0.01lb
Self drilling
Yes
Self tapping
Yes
Size
#9
Tamper Resistant
No

Warranty / Certifications

Manufacturer Warranty
No

Specifications

Dimensions

Product Depth (in.)
.177
Product Height (in.)
2.5
Product Width (in.)
.177
Screw Length
2-1/2 in

Details

ACQ Rated Fastener
Yes
Coated
Y
Drive Style
Star
Driver bit included
Yes
Fastener Callout Size
9 x 2-1/2 in.
Fastener Plating
Polymer
Fastener Thread Type
W-Cut
Fastener Type
Specialty Fastener
Fastener/Connector Material
Steel
Finish
Climatek coated
Finish Family
Metallic
Head Style
Flat
Indoor/Outdoor
Indoor/Outdoor
Measurement Standard
SAE
Package Quantity
300
Primary Use
Wood, particle-board, and cement fiberboard applications
Product Weight (lb.)
0.01lb
Self drilling
Yes
Self tapping
Yes
Size
#9
Tamper Resistant
No

Warranty / Certifications

Manufacturer Warranty
No

Questions & Answers

could you used it for treated wood

Asked by: jojo
Yes, the are approved for pressure treated lumber
Answered by: Brewer01
Date published: 2017-08-15

Are these appropriate to put in subfloor?

Are these appropriate to put in subfloor?
Asked by: Chem103
Yes, GRK R4 screws are appropriate for putting in subfloor, but please check the ESR reports on the GRK website (GRKFasteners.com) for the structural value and make sure the right type and number of screws are used for the application. If you have additional questions, feel free to contact Customer Service at 877-489-2726 from 8:00-4:30 CT Monday-Friday.
Answered by: Paslode
Date published: 2017-07-12

How many pounds is a 300 pack ?

Asked by: Jess
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Customer Reviews

#9 x 2-1/2 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (300-Pack) is rated 4.9 out of 5 by 22.
Rated 5 out of 5 by from The screws work well and do a good job of not splitting the wood. They work with pressure treated... The screws work well and do a good job of not splitting the wood. They work with pressure treated lumber,
Date published: 2017-08-15
Rated 5 out of 5 by from Much nicer than Phillips head screws, never had it pop... Much nicer than Phillips head screws, never had it pop out when driving in so made this a lot faster.
Date published: 2017-06-20
Rated 5 out of 5 by from excellent quality handled well when driven into Pressure treated wood, 2x4's and decking material. excellent quality handled well when driven into Pressure treated wood, 2x4's and decking material.
Date published: 2017-08-29
Rated 5 out of 5 by from These do what they say they do. A tad difficult to start (for the amatuar drill/driver user) but... These do what they say they do. A tad difficult to start (for the amatuar drill/driver user) but a soft pound in with a hammer helps. Word of caution for the star drive bit (that comes with the package), there are different size bits for the different length screws. Do not try a bit from another package that is not the same length screw. I did and thought these things were useless. When using the proper bit they drive in and counter sink like a charm.
Date published: 2017-04-18
Rated 5 out of 5 by from Great deck screw I have never used these screws before but I found them to be very easy to install . The star head provides very good torque transfer and they drive smoothly
Date published: 2017-05-12
Rated 5 out of 5 by from Best screws I've ever used! Worth the extra cost, no... Best screws I've ever used! Worth the extra cost, no pilot holes needed, save A LOT of time,
Date published: 2017-04-18
Rated 5 out of 5 by from Fantastic Screws-- I can't say enough about the durability and ease of using these screws!! They go through anything I have tried so far-- Hard wood, metal, soft wood, PVC. They drill in so smooth, the gripping and holding power of them is great.I can't imagine anything coming loose when using them!! Great product-I didn't know about them till recently from HD. I have already told some of my friends how great they are. Glad I got the 300 pack!!
Date published: 2014-09-23
Rated 5 out of 5 by from Pretty Cool I seems a little silly to get excited about screws, but these things are pretty cool. The self tapping feature is impressive and really does work as I've had no issues driving these things in without pre-drilling. The star drive is obviously a big plus too. I watched the video that shows a screw being driven through two boards so I had to try it myself and sure enough it's a piece of cake.
Date published: 2014-12-30
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