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Big Timber STH Trim Head Stainless Steel Screws

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Big Timber STH Trim Head Stainless Steel Screws

Trim Head Stainless Steel Screws

STH Trim Head Stainless Steel Screws are made for maximum corrosion resistance. ACQ compatible. It is an excellent screw product that has self countersinking heads with under-head cutting ribs. They are more concealed then the flat heads and are passivated, which means to protect from contamination and make it less reactive. This screw can be used on hard or soft woods and other tough materials. Made from Waxed and Lubricated 305 Stainless Steel, featuring a Self-Countersinking Head and Type 17 Notched Extra Sharp Point.

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SSTX – Silver Star Flat Head 305 Stainless Steel Star Drive Wood Screws 1-1/4" to 4"


Type 305 stainless steel offers maximum resistance to corrosion, deep six lobe star drive, extra sharp type 17 self tapping point, true flat trim head (.26 inch diameter), 5 cutting nibs self countersinking, deep wide sharp spiral threads, excellent for hardwood, redwood, cedar and composites. Waxed & lubricated for easier driving. Great for interior, exterior or sea coast work!   #9 available. 1-5/8” to 4”.


ITEM SIZE BIT 1lb Qty 5lb Qty Bulk Qty
STH9158 #9 x 1-5/8" T20 166 835 4000
STH9214 #9 x 2-1/4" T20 110 546 2500
STH9212 #9 x 2-1/2" T20 122 614 2500
STH93 #9 x 3" T20 93 465 2000
STH94 #9 x 4" T20 71 350 1500

View Big Timber's Testing Reports

Big Timber ICC-ES Report Big Timber ESR-3534 Report

Big Timber Mechanical Test Report Big Timber AC233 Mechanical Testing Of Fasteners Report

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Manufacturer Big Timber
Package Quantity Bulk Box, 1lb Jar, 5lb Jar
Dimensions 9 x 1-5/8', 2-1/4', 2-1/2", 3", 4"

Big Timber Screws from Western Builders Supply

Big Timber Screws from Western Builders Supply are the highest quality screws around. Big Timber Screws are perfect for deck installation, deck framing, rail installation, and more. If you are more technical minded, view Big Timber's AC233 Mechanical Testing of Fasteners and their ESR-3534 reports.

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