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3G Electric
GRK 5/16 in x 3 1/8 in Climatek™ Round Torx®/Star Deck Screw (T30 - Deck Screws for Wood
GRKDeck Screws for Wood

GRK 5/16 in x 3 1/8 in Climatek™ Round Torx®/Star Deck Screw (T30

GRK Deck Screws for Wood, size 5/16 in and length 3 1/8 in, feature a Climatek™, Round, Torx®/Star head with a T30 drive size and partially threaded thread style. Supplied in a 500-count pack (MPN GRK30221), this…

SKU 3G-OTH-744619

Also listed as: GRK 30221 · GRK-30221

Brand
GRK
Item
5/16 in x 3 1/8 in Climatek™ Round Torx®/Star Deck Screw
Part Number
GRK30221
Category
Deck Screws for Wood
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

GRK
Manufacturer Part Number
GRK30221
Type
Climatek™, Round, Torx®/Star, 500 PK
Lg
3 1/8 in
Drive Size
T30
Screw Size
5/16 in
Thread Style
Partially Threaded

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

Product Description

GRK Deck Screws for Wood, size 5/16 in and length 3 1/8 in, feature a Climatek™, Round, Torx®/Star head with a T30 drive size and partially threaded thread style. Supplied in a 500-count pack (MPN GRK30221), this product is part of 3G Electric's curated industrial offering across 14 departments, with specialist depth in combustion, pumps and controls.

Frequently Asked Questions

What are the specifications of GRK30221 deck screw?

The GRK30221 is a 5/16 in screw size, 3 1/8 in length deck screw with a Climatek™, Round, Torx®/Star head, T30 drive size, and partially threaded thread style. It comes in a 500-count pack. 3G Electric supplies this GRK fastener as part of its curated industrial offering.

What is a GRK deck screw used for?

GRK deck screws are designed for fastening wood decking, joists, and outdoor timber structures. The partially threaded shank and Climatek™ coating provide corrosion resistance for exterior use. 3G Electric sources this GRK30221 model for industrial maintenance and construction applications worldwide.

Where to buy GRK30221 deck screws worldwide?

3G Electric supplies the GRK30221 deck screw to customers worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine GRK fasteners and deliver them to your facility. Contact us for availability and lead time on this 500-count pack.

How to install a GRK deck screw?

Use a T30 Torx®/Star driver bit at low to medium torque to avoid stripping. Pre-drill for dense hardwoods to prevent splitting. Drive the screw flush with the wood surface; the partially threaded design pulls boards tight. 3G Electric provides technical support for proper installation of GRK fasteners.

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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.

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