Questions & Answers
Brass bolts are made from: LMts58-2, LO62-1, LS58-2, L68, LO70-1, LS59-1, LZhMts59-1-1, LO62-1, C37700.
Brass nuts are made from: LZhS58-1-1, LZhMts59-1-1, LO70-1, LS58-2, L68, L63, LS59-1, C36000, CW617N, CW614N.
Brass bolt weight chart
| Thread | Length, mm | Weight of 1 piece, g | Weight of 1000 pieces, kg |
| М4 | 10 | 1,2 | 1,2 |
| М4 | 20 | 1,8 | 1,8 |
| М4 | 30 | 2,4 | 2,4 |
| М5 | 16 | 2,7 | 2,7 |
| М5 | 25 | 3,8 | 3,8 |
| М5 | 40 | 5,4 | 5,4 |
| М6 | 20 | 5,2 | 5,2 |
| М6 | 30 | 6,8 | 6,8 |
| М6 | 50 | 10 | 10 |
| М8 | 20 | 10,5 | 10,5 |
| М8 | 40 | 16,8 | 16,8 |
| М8 | 60 | 23 | 23 |
| М10 | 30 | 27 | 27 |
| М10 | 50 | 38,5 | 38,5 |
| М10 | 80 | 56 | 56 |
| М12 | 40 | 55 | 55 |
| М12 | 60 | 74 | 74 |
| М12 | 100 | 112 | 112 |
| М16 | 50 | 135 | 135 |
| М16 | 80 | 196 | 196 |
| М16 | 120 | 288 | 288 |
| М20 | 60 | 280 | 280 |
| М20 | 100 | 420 | 420 |
| М20 | 150 | 610 | 610 |
Brass Nut Weight Chart
| Thread | Width across flats, mm | Nut height, mm | Weight of 1 piece, g | Weight of 1000 pieces, kg |
| М3 | 5,5 | 2,4 | 0,3 | 0,3 |
| М4 | 7 | 3,2 | 0,7 | 0,7 |
| М5 | 8 | 4,0 | 1,2 | 1,2 |
| М6 | 10 | 5,0 | 2,4 | 2,4 |
| М8 | 13 | 6,5 | 5,4 | 5,4 |
| М10 | 17 | 8,0 | 10,8 | 10,8 |
| М12 | 19 | 10 | 17,5 | 17,5 |
| М14 | 22 | 11 | 28 | 28 |
| М16 | 24 | 13 | 38 | 38 |
| М18 | 27 | 15 | 58 | 58 |
| М20 | 30 | 16 | 75 | 75 |
| М22 | 32 | 18 | 100 | 100 |
| М24 | 36 | 19 | 125 | 125 |
| М27 | 41 | 22 | 185 | 185 |
| М30 | 46 | 24 | 260 | 260 |
| М36 | 55 | 29 | 470 | 470 |
The main GOST standard for brass bolts:
GOST 7798–70 - Design and dimensions of hexagon-head bolts of accuracy class B. This standard defines: thread and surface requirements, bolt materials, mechanical testing, packaging, geometric requirements, strength classes, transportation, marking, acceptance, dimensions, and design of bolts.
The main GOST standard for brass nuts:
GOST 5915–70 - Design and dimensions of hexagon nuts of accuracy class B. This standard establishes: mechanical characteristics, transportation, surface and thread requirements, grades, packaging, geometric requirements, and nut materials.
The main GOST standard for bolt and nut materials:
GOST 15527-2004 - Grades of pressure-treated copper-zinc alloys. The standard regulates: application examples, approximate density of alloys, alloy designations, permissible impurities, chemical composition and brass grades.