M12 x 1.25 x 40 MM (FT) Extra Fine Class 8.8 Cap Screw (Bolt) Zinc
Fastener Type: Hex Cap Screw (Bolt). Thread Pitch Type: Extra Fine. Thread Pitch: 1.25. Finish: Zinc Plated. 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.
M12 x 1.25 x 40 MM (FT) Extra Fine Class 8.8 Cap Screw (Bolt) Black
Fastener Type: Hex Cap Screw (Bolt). Thread Pitch Type: Extra Fine. Thread Pitch: 1.25. 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.
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.