head symmetry and 4 symmetrical functioning spiral ridges for fast

7/8-9 x 1 1/4 Socket Cap Screw Alloy

#34 Heavy Duty Jobber Drill Bit

7/8-14 x 2 Hex Cap Screw SS 18-8 (A2)

Alloy Flat Socket Head Cap Screws from Brighton Best

7/16 x 12 ITM SDS Plus eVolution™ Hammer Drill Bit Hex Washer Head Metal-Panel Screws 316 Stainless Steel with EPDM Washer head symmetry and 4 symmetrical7 16 x 12 ITM SDS Plus eVolution Hammer Drill Bit . An all new designed solid 4 x 90? head symmetry and 4 symmetrical functioning spiral ridges for fast, accurate and tough drilling through all aggregates, concrete, masonry, brick, stone and rebar. 50% more holes Drills rebar No "sticking" Less breakage Less vibration Made in Germany