Flat Countersunk Pozi Screw No.6 32 UNC x 3/8 - Zinc

Taller Turn Button - for thicker material

Spring Washer Heavy 1/4 - Plain | USE FAS7254

H/Tensile Hex Set Screw 5/16 UNF x 1.1/8 - Zinc

H/Tensile Hex Bolt 3/8 UNF x 1.3/8 - Plain | USE FAS2100