These Socket Cap Screws in 316 Stainless Steel by Brighton Best conform to ANSI/ASME 18

1/4 x 18 High Speed Aircraft Bit

5/16 x 6 (1/4 Drive) Magnetic Nut Setter

1/2-20 x 5 1/2 Hex Cap Screw SS 316 (A4)

7/8-9 x 11 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (30)

3/8 L9 SAE Tension Flatwasher Yellow Zinc Plated Domestic USA (100) 1/2-13 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA These Socket Cap Screws in3 8 L9 SAE Tension Flatwasher Yellow Zinc Plated Domestic USA (100) . L9 High Tension SAE pattern flat washers 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.