Simpson #12 x 3" Self-Drilling Hex-Washer Head Screw, 316 Stainless Steel Disc Grinders Move quickly while building concrete

Move quickly while building concrete forms and scaffolding with the industry's first

while also providing resistance to weathering over time

The machine comes standard with high carbon chromium blades that feature 4 shearing edges

Gravity-feed of cracks in horizontal concrete

Multi-Spindle Boring Machine

Simpson #12 x 3" Self-Drilling Hex-Washer Head Screw, 316 Stainless Steel Disc Grinders Move quickly while building concreteModel No. T12300HDU Coating Material. Type 316 Stainless Steel Screw size. #12 Drive Type. 5 16 in. Hex Length (in.) 3 Thread Type. Tapping Threads Head Type. Hex Washer Head TPI. 14 Point Type. Drill Point Use this Stainless Steel Self Drilling Hex Washer Head Screw for fastening aluminum and fiberglass (but not for steel). Applications Aluminum and fiberglass fastening (not steel) Key Features Indented hex washer head Tapping screw thread #3 drill