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TRI-WING® TAMPER RESISTANT DRIVE SYSTEM HEAD STANDARDS

Drawing Description Unit Drawing Number
Tri-Wing Engineering Head Standards Index Index Tri-Wing-Index
100° Flush Head Screws Inch TWHS-1-W
100° Flush Head Deep Recess Screws Inch TWHS-1A-W
Pan Head Screws Inch TWHS-2-W
100° Flat Head Shear Bolts Inch TWHS-3-W
100° Flat Head Shear Bolts Deep Recess Inch TWHS-3A-W
Flat Pan Head Screws Inch TWHS-4-W
Flat Pan Head Deep Recess Screws Inch TWHS-4A-W
Flat Fillister Head Screws Inch TWHS-5-W
Flat Fillister Head Deep Recess Screws Inch TWHS-5A-W
Washer Face Trimmed Hexagon Head Screws Inch TWHS-6-W
Washer Face Trimmed Hexagon Head Deep Recess Screws Inch TWHS-6A-W
100° Oval Head Screws Inch TWHS-7-W
100° Oval Head Deep Recess Screws Inch TWHS-7A-W