Model # 103101

Internet #203525228

Store SKU #723205

GRK Fasteners #9 x 2-1/2 in. Star Drive Bugle Head R4 Multi-Purpose Screw (100-per Pack)
0628611031017

GRK Fasteners

#9 x 2-1/2 in. Star Drive Bugle Head R4 Multi-Purpose Screw (100-per Pack)

  • 20% faster drive time
  • Zero stripping
  • No splitting
$1020 /package
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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
  • Note: product may vary by store

Product Overview

  • 20% faster drive time
  • Zero stripping
  • No splitting
Model #: 103101
Sku #: 723205
Internet #: 203525228

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
  • Note: product may vary by store

Info & Guides

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Price
$10.20 /package
$10.47 /each
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Name #9 x 2-1/2 in. Star Drive Bugle Head R4 Multi-Purpose Screw (100-per Pack) #9 x 2 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (110-Pack) #9 x 3-1/8 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (80-Pack) #10 x 2-1/2 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (80-Pack)
Brand GRK Fasteners GRK Fasteners GRK Fasteners GRK Fasteners
Ratings (9) (1) (2) (1)
Drive Style Star Star Star Star
Fastener/Connector Material Steel Steel Steel Steel
Size #9 #9 #9 #10
Screw Length 2-1/2 in 2 in 3-1/8 in 2-1/2 in
Package Quantity 100 110 80 80
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
Fastener Plating
Polymer
Fastener Thread Type
W-Cut
Fastener Type
Machine Bolt
Fastener/Connector Material
Steel
Finish
Climatek coating
Finish Family
Metallic
Head Style
Flat
Indoor/Outdoor
Indoor/Outdoor
Measurement Standard
SAE
Package Quantity
100
Primary Use
Wood, particle-board, and cement fiberboard
Product Weight (lb.)
0.01lb
Returnable
90-Day
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
Fastener Plating
Polymer
Fastener Thread Type
W-Cut
Fastener Type
Machine Bolt
Fastener/Connector Material
Steel
Finish
Climatek coating
Finish Family
Metallic
Head Style
Flat
Indoor/Outdoor
Indoor/Outdoor
Measurement Standard
SAE
Package Quantity
100
Primary Use
Wood, particle-board, and cement fiberboard
Product Weight (lb.)
0.01lb
Returnable
90-Day
Self drilling
Yes
Self tapping
Yes
Size
#9
Tamper Resistant
No

Warranty / Certifications

Manufacturer Warranty
No

Questions & Answers

What's the size of the Torx bit?

Just in case I want to have an extra on hand on the job site.
Asked by: BobC46
T-25
Answered by: TubeJim101
Date published: 2017-11-03

Can these screws be used in framing as in sheds and small portable type cabins? I used them on a ...

Can these screws be used in framing as in sheds and small portable type cabins? I used them on a pen i'm building for goats and I am sold on these the only thing that I experienced was minor chipping on the surface of the wood. I love these screws just making sure I can use them in framing before I plan out my new project. Thanks.
Asked by: Poetrkc
Have used them in outdoor project. Have not had any problems with them.
Answered by: TubeJim101
Date published: 2017-11-03

Isn't this a #9 x 2-1/2" Screw?

This is a #9 x 2-1/2" not a 9" x 2-1/2" screw.
Asked by: TechmoTim
Thank you for bringing this error to our attention! We have corrected the product name to read #9 x 2-1/2 in. R4 Flat Head Multi-Purpose Screw (100 per Pack). The correction will be posted on the Home Depot website within a few days.
Answered by: BrandAnswers
Date published: 2015-10-14
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Customer Reviews

#9 x 2-1/2 in. Star Drive Bugle Head R4 Multi-Purpose Screw (100-per Pack) is rated 5.0 out of 5 by 9.
Rated 5 out of 5 by from Best screws I have used. Just wish they would give you a real bit for it. Get the GRK Star bits. ... Best screws I have used. Just wish they would give you a real bit for it. Get the GRK Star bits. Two pack for $5.
Date published: 2017-11-03
Rated 5 out of 5 by from Buy these screws. No seriously BUY THEM! These came reccomended to me by a local contractor/carpenter. He said they are the best screws he's ever used and now he refuses to buy anything else. Ever slipped off a long screw going into a 2x4? Won't happen with these. Ever had to keep turning up the clutch on your driver drill to get them installed? Try your 50% setting with these and it's probably good enough. I'm telling you he was right. These screws are nothing short of amazing to use! It's like screwing into foam rubber or something, you literally will be blown away how easy these go in. They have a self drilling type tip and smooth flights. Incredible product. Period. Now I won't be buying anything else. You can kiss your headaches with fasteners goodbye after you use these, yes they cost a few pennies more per screw but trust me it is totally worth it! Don't over look the importance on your project of using top notch fasteners, it will literally save you time and energy. Tom S. (Engineer) Itasca IL
Date published: 2014-05-13
Rated 5 out of 5 by from the person who invented the star system ,i hope owns the company because that person deserves all... the person who invented the star system ,i hope owns the company because that person deserves all the royalties . As we know its better than philips and holds better better better
Date published: 2017-05-10
Rated 5 out of 5 by from Screws worked well, no splitting of wood. Screws worked well, no splitting of wood.
Date published: 2017-01-10
Rated 5 out of 5 by from These are fantastic! One of the Home Depot's hardware guys turned me on to these several months ago and they are absolutely amazing. I use them now exclusively for outdoor home repairs, and also for assembling custom redwood furniture. I've done a chaise lounge, and a number of outdoor tables using redwood 2x4s, and they work flawlessly for this purpose. They are attractive, strong, and when combined with some weatherproof outdoor glue they can't be beat. I used the 2 inch, 2 1/2 inch, and 3 inch versions of this bugle head screw and have never had a lick of trouble with any of them. I highly recommend them. One other thing-- the previous commenter talked about the length being short. I measured all of mine and they are dead on, but it should be noted that all flat top countersink type screws are measured from the top of the head, not beneath it. When measured that way, at least for me, they are all exactly as advertised.
Date published: 2013-12-27
Rated 5 out of 5 by from Excellent Design Used these #9 x 2-1/2" screws to install a set of old cabinets in my garage. The T-25 Star Bit Head(bit is included) worked as expected, not one screw slipped resulting in zero Stripping. The CEE Thread design did not cause any cabinet or strapping splitting and the cutting pockets did in-fact act as a router and transported the drill dust away from the screw hole. Each screw head countersunk perfectly(as advertised)!!! The cabinet install came out great and these screws worked perfectly. The only issues were: 1. The screws measured 2-3/8" not 2-1/2". I was fortunate to have some 3" screws(#2 Square Bit) on hand where needed. 2. The "Easy Start Zip-Tip" did not work well on the inside of the cabinets as the surface was very hard. I would not consider this a con! I simply drilled a short starter hole first. I also pre-drilled holes on the cabinet face to screw the cabinets together. GRK does make a screw for Cabinet installing which is a thinner screw with a smaller head. This screw might have started easier but since it was in the garage I wanted the #9's instead. I will use these screws again for sure.
Date published: 2013-06-10
Rated 5 out of 5 by from great fasteners If your tired of messing up the heads of half the screws you install , you need to use GRK wood screws. no predrilling required . Nice to find a wood screw that does what it says it will.
Date published: 2016-06-06
Rated 5 out of 5 by from Best purchase ever great product very easy to use and would buy again
Date published: 2016-09-08
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