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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)
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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
$ 10 20 /package
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Frequently Bought Together

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
  • Common project applications: remodeling, fencing, storage, cabinets, framing
  • 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
  • Common project applications: remodeling, fencing, storage, cabinets, framing
  • Note: product may vary by store

Info & Guides

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Info & Guides

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Price
$10.20 /package
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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 (42) (25) (27) (22)
Size #9 #9 #9 #10
Screw Length 2-1/2 in 2 in 3-1/8 in 2-1/2 in
View Product View Product View Product View Product

Specifications

Dimensions

Screw Length
2-1/2 in
Thread Pitch
0

Details

Color Family
Yellow
Drive Style
Star
Fastener Plating
Polymer
Fastener Type
Wood Screw
Fastener/Connector Material
Steel
Features
ACQ Rated,Coated,Self Drilling,Self Tapping
Finish
Climatek coating
Head Style
Bugle Head
Included
Driver Bit
Interior/Exterior
Exterior,Interior
Measurement Standard
SAE
Package Quantity
100
Product Weight (lb.)
0.01lb
Returnable
90-Day
Size
#9

Warranty / Certifications

Manufacturer Warranty
No

Specifications

Dimensions

Screw Length
2-1/2 in
Thread Pitch
0

Details

Color Family
Yellow
Drive Style
Star
Fastener Plating
Polymer
Fastener Type
Wood Screw
Fastener/Connector Material
Steel
Features
ACQ Rated,Coated,Self Drilling,Self Tapping
Finish
Climatek coating
Head Style
Bugle Head
Included
Driver Bit
Interior/Exterior
Exterior,Interior
Measurement Standard
SAE
Package Quantity
100
Product Weight (lb.)
0.01lb
Returnable
90-Day
Size
#9

Warranty / Certifications

Manufacturer Warranty
No

Questions & Answers

How well to they stand up to corrosion? Do they have a corrosion warranty?

How well to they stand up to corrosion? Do they have a corrosion warranty?
Asked by: neilfcars
Absolutely. I use them for outdoor furniture, decks and fences. They never stain the wood like some types of screws.
Answered by: bob66
Date published: 2018-05-22

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
Yes I have used them in that situation works well no problems so far
Answered by: Springerman
Date published: 2018-04-24

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 this screw be used for plywood sheathing for exterior walls?

Can this screw be used for plywood sheathing for exterior walls?
Asked by: Ruminir
It can be used for any wood to wood fastening task, but I would suggest a somewhat shorter length unless there is some factor I am unaware of in your situation.
Answered by: John
Date published: 2018-11-21
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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 42.
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 GRK Fasteners are top choice I have used several different screws lately for different applications and builds. GRK fasteners have been the #1 "go to" items for most all my projects. I like the self tap tip for ease of starting the screw, T drive to prevent head stripping/slippage and to assure a good drive unto material for a solid and secure bond.
Date published: 2019-01-26
Rated 5 out of 5 by from I love this screws. They make great trim fasteners as... I love this screws. They make great trim fasteners as they bite really well into wood, and they naturally submerge themselves just below the surface making it easy to cover screw holes.
Date published: 2019-01-22
Rated 5 out of 5 by from These are screws of a much different design. Much, much... These are screws of a much different design. Much, much less chance to split the attached member. Especially useful in plywood cabinet construction. No need usually for a pilot hole.
Date published: 2018-12-26
Rated 5 out of 5 by from Forget Phillips head screws, the star fitting is much easier... Forget Phillips head screws, the star fitting is much easier to use and prevents stripping!
Date published: 2019-01-08
Rated 5 out of 5 by from Great items - works better than the other screw I... Great items - works better than the other screw I got from a different hardware store
Date published: 2019-01-09
Rated 5 out of 5 by from Only screws I’ll use from now on.Great product.... Only screws I’ll use from now on.Great product.
Date published: 2019-01-15
Rated 5 out of 5 by from 5 Star Review Rating provided by a verified purchaser
Date published: 2019-02-06
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