Ship Auger Wood Drill Bits are heat treated with machine ground hollows

3/16 x 1 3/4 Phillips Flat TITEN® Concrete Screw Blue - Box (100)

3/4-16 x 7 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

50 x 60 Flat Socket Cap Screw 12

and in two head styles

7/8-14 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (15) 1/2 Cotter Pins Plain Steel Ship Auger Wood Drill Bits7 8 14 x 3 1 2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (15) . L9 High Tensile Strength Hex Cap Screws are designed for use in high stress, severe service environments. The highest mechanical strength off the shelf fastening system available, its special features control torque tension characteristics to develop high clamp loads when using properly controlled tightening methods. Brighton Best manufactures L9 bolting from AISI alloy steels. L9