#33 High Speed Aircraft Bit

1/2-20 x 5 1/2 Hex Cap Screw SS 18-8 (A2)

Hardness is Rockwell C32 maximum and proof load is 72

000 psi is required

3/8 x 2 1/2 Round Split Drive Anchor Zinc Plated (25)

8 x 1 1/4 Phillips Wafer Self Drilling Cement Board Screws w/ Nibs Ruspert Coated - Carton (5000) 1 3/8-12 Socket Cap Screws Alloy #33 High Speed Aircraft Bit8 x 1 1 4 Phillips Wafer Self Drilling Cement Board Screws w Nibs Ruspert Coated Carton (5000) . Meets F. I. P. 1000. 7 for torsional strength and drill speed Ceramic coating provides protection from corrosion Designed to work with all backer boards Nibs under head clamp board firmly