Shank slot enhances thread formation in steel and removes exhaust

3/4 x 18 Hex Lag Screw Hot Dipped Galvanized

5/8 x 10 Hex Lag Screw Hot Dipped Galvanized

L9® High Tension USS pattern flat washers are designed for use in high stress

3/4 x 24 ITM SDS Plus Hammer Drill Bit

3/4-10 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (400) 1 3/4-5 Socket Cap Screws Alloy Shank slot enhances thread formation3 4 10 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (400). L9 High Tensile Strength Hex Collared Locknuts 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 nuts from AISI alloy