1061317 | SC042F-013-C-SK-C (Pack of 100) --- Socket Cap Screws - 8-36 UNF - 4.17mm - 12.7 mm - High Tensile Steel / Black Oxide Alloy Steel Screw 164.00x25.00x1312.00 M6 (6x1mm) 50 mm Standard

M6 (6x1mm) 50 mm Standard Cup Point Socket Set Screws - Carbon Steel - Hardened GD14

550mm is 1

2 mm Compression Springs - SUSS304-WPB / JIS Standard - Sold Per 5:

82 tooth - 410x9 mm Timing 5

229 tooth - 1145x30 mm Timing 5

1061317 | SC042F-013-C-SK-C (Pack of 100) --- Socket Cap Screws - 8-36 UNF - 4.17mm - 12.7 mm - High Tensile Steel / Black Oxide Alloy Steel Screw 164.00x25.00x1312.00 M6 (6x1mm) 50 mm Standard8 36 UNF (4. 17mm) 12. 7 mm High Tensile Steel Black Oxide Socket Cap Screws High Tensile Steel Black Oxide Sold Per 100: Base Category: Screws Socket Cap Top Level Category: Screws Socket Cap Alloy Steel Black Oxide Product Details Thread Size (C): 8 36 UNF (4. 17mm) High Tensile Steel Black Oxide Thread Size (C): 8 36 UNF (4. 17mm) Thread Length (L): 12. 7mm (12. 7mm is 0. 5 in.) Material: High Tensile Steel Black Oxide Head Length (B Max.): 4. 2mm