DeWALT 1/2" x 4-1/2" Power-Stud + SD1 Carbon Steel Wedge Expansion Anchor PACK:200 Pk The ribbed wafer head features

The ribbed wafer head features nibs that allow the screw to seat flush with the surface of the cement board

giving you broad compatibility with standard end mills

What spindle taper and collet range does the JTM-1254RVS use

this full-round-head

release tabs for removal

DeWALT 1/2" x 4-1/2" Power-Stud + SD1 Carbon Steel Wedge Expansion Anchor PACK:200 Pk The ribbed wafer head featuresThe Power Stud+ SD1 anchor is a fully threaded, torque controlled, wedge expansion anchor which is designed for consistent performance in cracked and un cracked concrete. Suitable base materials include normal weight concrete, structural sand lightweight concrete and concrete over metal deck. The anchor is manufactured with a zinc plated carbon steel body and expansion clip. Nut and washer are included. Part Number : 7423SD1 PWR Anchor Diameter : 1 2"