Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
GRK 3/8 in x 4 in Steel Deck Screw - Deck Screws for Wood
GRKDeck Screws for Wood

GRK 3/8 in x 4 in Steel Deck Screw

The GRK Deck Screw (MPN GRK12275) is a 3/8 in size, 4 in long steel screw with a Climatek™ coating, featuring a round Torx®/Star drive (T40) and partially threaded design, supplied in a 50-pack. This product is part…

SKU 3G-OTH-744614

Also listed as: GRK 12275 · GRK-12275

Brand
GRK
Item
3/8 in x 4 in Steel Deck Screw
Part Number
GRK12275
Category
Deck Screws for Wood
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

GRK
Manufacturer Part Number
GRK12275
Type
Steel, Climatek™, Round, Torx®/Star, 50 PK
Lg
4 in
Drive Size
T40
Screw Size
3/8 in
Thread Style
Partially Threaded

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

GRK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRK Deck Screw (MPN GRK12275) is a 3/8 in size, 4 in long steel screw with a Climatek™ coating, featuring a round Torx®/Star drive (T40) and partially threaded design, supplied in a 50-pack. This product is part of our broader industrial supply across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor for brands like FBR, Interpump, and Riello.

Frequently Asked Questions

What is the GRK Deck Screw 3/8 in x 4 in used for?

The GRK Deck Screw (MPN GRK12275) is designed for fastening wood decking, joists, and outdoor timber structures. Its partially threaded shank and Climatek™ coating provide corrosion resistance for exterior applications. 3G Electric supplies this screw as part of our industrial offering across 14 departments, with specialist depth in combustion, pumps, and controls.

What are the specifications of the GRK12275 deck screw?

The GRK12275 is a 3/8 in size, 4 in long steel deck screw with a Climatek™ coating. It features a round Torx®/Star drive with T40 size, partially threaded thread style, and comes in a 50-pack. 3G Electric sources this GRK screw for global industrial customers, handling logistics and customs for worldwide delivery.

Where to buy GRK12275 deck screws in worldwide?

3G Electric supplies the GRK12275 deck screw to customers worldwide. As an industrial solutions provider, we handle full logistics and customs clearance for international orders. Contact us to source this 3/8 in x 4 in steel screw with Climatek™ coating, part of our broad industrial supply across 14 departments.

How to install a GRK partially threaded deck screw?

Pre-drill a pilot hole slightly smaller than the screw shank to prevent wood splitting. Drive the GRK deck screw using a T40 Torx®/Star bit until the round head is flush with the wood surface. The partially threaded design pulls boards tight. 3G Electric provides this screw for industrial applications worldwide.

Not sure this is the right part? Photo-identify it→

GRK Products

3G Electric supplies GRK deck screws for wood. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from GRK

View all GRK parts →
This deck screw is designed for fastening wood decking, joists, and heavy timber structures. It features a 3/8 in screw size, 10 in length, steel construction with Climatek™ coating, round head, Torx®/Star drive (T40), and partially threaded shank. Suitable for outdoor applications requiring corrosion resistance
GRK
This deck screw is designed for fastening wood decking, joists, and heavy timber structures. It features a 3/8 in screw size, 10 in length, steel construction with Climatek™ coating, round head, Torx®/Star drive (T40), and partially threaded shank. Suitable for outdoor applications requiring corrosion resistance
This 3/8 in x 6 in steel deck screw features a Climatek™ coating for corrosion resistance in outdoor applications. The round Torx®/Star T40 drive and partially threaded design provide secure fastening in wood decking and heavy timber construction. Supplied in a 50-pack
GRK
This 3/8 in x 6 in steel deck screw features a Climatek™ coating for corrosion resistance in outdoor applications. The round Torx®/Star T40 drive and partially threaded design provide secure fastening in wood decking and heavy timber construction. Supplied in a 50-pack

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first