M12 x 1.25 x 40 MM (FT) Fine Class 12.9 Socket Hd Cap Screw Black Oxide
Fastener Type: Socket Head Cap Screw. Finish: Thermal Black Oxide. Socket low head cap screws are used in applications where not enough clearance is available for a standard socket head cap screw. Socket flat head cap screws are used in applications where countersinking is desired.
M12 x 1.75 x 40 MM (FT) Coarse DIN 933 Class 8.8 Cap Screw (Bolt) Black
Thread Pitch Type: Coarse. Fastener Type: Hex Cap Screw (Bolt). Thread Pitch: 1.75. Hex Cap Screws, are similar to hex bolts, but are manufactured with tighter tolerances than hex bolts for socket or wrench tightening, hex cap screws are available in both fully threaded and partial threaded varieties, and in many different materials.
3/8″-5/16-18 x 5/8″ Coarse Thread Socket Shoulder Screw Black Oxide
1/4″-20 x 1 3/4″ (FT) Coarse Grade 5 Hex Tap (Full Thread) Bolt Black
Fastener Type: Hex Tap (Full Thread) Bolt. Thread Pitch Type: Coarse. Hex Tap Bolts, are also known as fully-threaded hex bolts. Designed to be inserted through holes and tightened by torqueing a nut, or mated with an internally threaded (tapped) hole and tightened by torqueing the bolt’s head.