no pre-drilling is required

1/16 Cobalt Heavy Duty Jobber Drill Bit

5/8-11 x 5 1/2 Hex Cap Screw SS 316 (A4)

9/16-18 x 4 1/2 Socket Cap Screw Alloy

Commonly used in naval construction and power plant applications

M24-3.00 x 70 Hex Cap Screw DIN 933 A2 (18-8) Stainless Steel Drop-In Anchors Zinc Plated no pre-drilling is requiredM24 3. 00 x 70 Hex Cap Screw DIN 933 A2 (18 8) Stainless Steel DIN 933 A2 Hex Cap Screws are manufactured from A2 70 stainless steel per ISO 3506 part 1. These are fully threaded hex cap screws (i. e. tap bolts) with all dimensions conforming to DIN 933. Designed for use in pre tapped holes and where corrossion is of concern.