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RT composite™ TRIM  multi-purpose screws RT composite™ TRIM
multi-purpose screws
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Our RT composite™ TRIM head screws are an excellent choice for most trim and composite decking applications.  Most material splitting is prevented due to the exceptionally small head and the W-CUT thread design. Pre-drilling is only necessary if the bulding material's limitations require a pilot hole to be drilled as in hardwoods such as mahogany.

This fastener includes a reverse threading under the head that helps the screw head to disappear beneath the surface of the classic wood composite material. The reverse head feature is available on screws from 2" to 3-1/8" in length.

The patented W-Cut thread design slices the groove for the next thread thus reducing tension and pressure and providing ease of installation. The Zip-Tip™ feature allows for quick and easy starting.  

The screws are Climatek™ coated and have been independently tested and approved for use in treated wood products. No pre-drilling products is required except where building material limitations are specified. 

Enter the exact quantity you require and we will do our best to accommodate you.

PART NO. NOMINAL SIZE METRIC SIZE MATERIAL FINISH REVERSE THREAD ZIP-TIP FEATURE DRIVE BIT SIZE PRICE QTY REQ ACTION
GRKRTC-4000 8 x 2" M4.0 x 50 mm steel, hardened Climatek™ yes yes six lobe (Torx) T-10 on application
GRKRTC-4100 8 x 2-1/2" M4.0 x 60 mm steel, hardened Climatek™ yes yes six lobe (Torx) T-10 on application
GRKRTC-4200 8 x 2-3/4" M4.0 x 70 mm steel, hardened Climatek™ yes yes six lobe (Torx) T-10 on application
GRKRTC-4300 8 x 3-1/8" M4.0 x 80 mm steel, hardened Climatek™ yes yes six lobe (Torx) T-10 on application
GRKRTC-4400 9 x 2-1/2" M4.5 x 60 mm steel, hardened Climatek™ yes yes six lobe (Torx) T-15 on application
GRKRTC-4500 9 x 2-3/4" M4.5 x 70 mm steel, hardened Climatek™ yes yes six lobe (Torx) T-15 on application
GRKRTC-4600 9 x 3-1/8" M4.5 x 80 mm steel, hardened Climatek™ yes yes six lobe (Torx) T-15 on application
 
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