Use GRK Bit T-40
Unique Caliburn Thread Design
Patented Climatek Coated
Pre-Drill with 1/4-Inch bit
Case Hardened Steel

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 3.8 inch
Height : 1.4 inch
Length : 6.8 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 0 ounce (View shipping rates and policies)

ASIN : B001SF9CGY

Product Description

Drive Style: Star. Self Tapping. Diameter: 19/64 in. Length: 3-1/2 in. Finish: Yellow Zinc. Color: Yellow. Thread Type: Self Tapping. Size: 19/64 x 3-1/2 inch. Unit of Measurement: SAE. Number in Package: 25 pc. Indoor and Outdoor. Head Type: Bugle. Self Drilling. Material: Steel. Zero stripping with six points of contact. Aggressive heavy duty threads lock into concrete and can be removed and reinserted without screw damage. ESR-3251 approved for use in anchoring to concrete. Caliburn XL washer head designed for superior holding power. Climatek coating is AC257 code approved for use in treated lumber.