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GRK FIN/Trim Head Screws are an excellent choice for most fine carpentry applications. The FIN/Trim is also suitable for the installation of window extension jambs and molding. Special features include W-cut threads and Zip tips to help prevent wood splitting. The screws are Climatek coated for corrosion resistance.

Screw Length | 1-1/2 in |
|---|---|
Size | #8 |
Drive Style | Torx |
|---|---|
Fastener Base Material | All-Purpose |
Fastener Color | Brass |
Fastener Material | Carbon Steel |
Fastener Plating | Polymeric Zinc |
Fastener Type | Wood Deck Screws |
Features | ACQ Rated, Self Tapping |
Head Style | Trim Head |
Interior/Exterior | Exterior, Interior |
Measurement System | Inches |
Package Quantity | 100 |
Product Weight (lb.) | 0.54 lb |
Returnable | 90-Day |
Thread Style | W-Cut Thread |
Manufacturer Warranty | No |
|---|
Thank you for contacting us, Paul. For the #8 style, the head diameter is 0.197" and the shoulder is 0.114". The technical drawings can all be found on the GRK website. Hope this helps.
Hi there - thank you for contacting us. Yes, the screw can be used in hardboard, but it is not designed to penetrate into non-wood materials. Please feel free to call us at (800)222-6990 or email us at grk@itwbrands.com, if you have any questions.
Can this screw be used on hardie siding?
Hi there - Thank you for contacting GRK Fasteners. GRK screws have specially designed features for wood-to-wood attachments with no pre-drilling. Applications using other materials are outside of the intended use of this product. For questions regarding fastening in your application, we recommend contacting a licensed professional engineer to evaluate. Please feel free to call us at (800)222-6990 or email us at grk@itwbrands.com, if you have any questions.
HI there - thank you for contacting us. Yes, you can drill into metal studs using the #8 x 1-1/4 in. Star Drive Trim-Head Finish Screw, especially if you use a pilot hole. This will help prevent the metal from bending or warping and ensure a secure fit. The trim head design provides a clean, finished look, and the star drive recess minimizes stripping. Please feel free to call us at (800)222-6990 or email us at grk@itwbrands.com, if you have any questions
Thank you for reaching out to us, Gill. While there are not specific applications listed for each screw type, many users have have success with the #8 trim screws for cabinet faces. There are GRK cabinet screws on the market for mounting to the walls.
Hi there - Thank you for contacting us. To better understand your application, please feel free to call us at (800)222-6990 or email us at grk@itwbrands.com, to further assist you.
Hi there, thank you for your interest in our products. We need a few more details about your specific application as we want to ensure we are providing the best recommendation. Can you please reach out to our experts either by call or email? Please feel free to call us at (800)-222-6990 or email us at tech@paslode.com. There we will gather the necessary specs to recommend the product you will need.
Hello Mike, thank you contacting us. Our Trim screws are manufactured in Tiwan. For more information about the product, please visit our website at www.grkfasteners.com, or call our hotline. The number is 800-222-6990. Thank you.
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