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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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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

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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

Compare Similar

Compare Similar Products
Brand GRK Fasteners GRK Fasteners GRK Fasteners GRK Fasteners
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) #9 x 2 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (330-Pack)
Price
$10.20 /package
$10.47
$11.98
$26.38
Ratings (94) (28) (68) (22)
Size #9 #9 #9 #9
Screw Length 2-1/2 in 2 in 3-1/8 in 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

could you used it for treated wood

Asked by: jojo
Yes, the are approved for pressure treated lumber
Answered by: Brewer01
Date published: 2018-03-01

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
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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 94.
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 These are premium quality screws! Made in Canada from an original Swiss design, they are easy to ... These are premium quality screws! Made in Canada from an original Swiss design, they are easy to start, strong, and most importantly, the T-25 star drive heads don't strip out easily. They drive easily with a cordless drill or screwdriver. They are much stronger than the cheaper Chinese / Asian made screws that strip out or break. They are well worth the expense above the cheaper alternative also sold by Home Depot. If it is an important project or one that you don't want to redo, spend the money on these!
Date published: 2019-04-10
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 Call me lazy, but I use these self-tapping screws all... Call me lazy, but I use these self-tapping screws all the time. Any extra cost is worth not having to pre-drill. They fit in nicely and look great!!
Date published: 2019-03-06
Rated 5 out of 5 by from Used this to build a new stand for an aquarium in my living room. Has everything locked in place ... Used this to build a new stand for an aquarium in my living room. Has everything locked in place very well. Very solid.
Date published: 2019-03-12
Rated 5 out of 5 by from I had no problems with wood splitting, and I always... I had no problems with wood splitting, and I always prefer the Torx head screws over Phillips or Robertson head screws.
Date published: 2019-03-12
Rated 5 out of 5 by from Great screws with no slip heads. Will use every time... Great screws with no slip heads. Will use every time in place of the old Phillips heads
Date published: 2019-02-05
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