- Grade 6H
- Meet ISO1502
- Hardness 60-62HRC
- Good wear resistance
- Other sizes are available upon request
| Code | Size (mm) |
| 543-002-01 | M2x0.25 |
| 543-002-21 | M2.2×0.25 |
| 543-002-31 | M2.5×0.35 |
| 543-003-01 | M3x0.35 |
| 543-003-02 | M3.5×0.35 |
| 543-004-01 | M4x0.5 |
| 543-005-01 | M5x0.5 |
| 543-006-01 | M6x0.5 |
| 543-006-02 | M6x0.75 |
| 543-007-01 | M7x0.5 |
| 543-007-02 | M7x0.75 |
| 543-008-01 | M8x0.5 |
| 543-008-02 | M8x0.75 |
| 543-008-03 | M8x1 |
| 543-009-01 | M9x0.5 |
| 543-009-02 | M9x0.75 |
| 543-009-03 | M9x1 |
| 543-010-01 | M10x0.5 |
| 543-010-02 | M10x0.75 |
| 543-010-03 | M10x1 |
| 543-010-04 | M10x1.25 |
| 543-011-01 | M11x0.5 |
| 543-011-02 | M11x0.75 |
| 543-011-03 | M11x1 |
| 543-012-01 | M12x0.5 |
| 543-012-02 | M12x0.75 |
| 543-012-03 | M12x1 |
| 543-012-04 | M12x1.25 |
| 543-012-05 | M12x1.5 |
| 543-014-01 | M14x0.5 |
| 543-014-02 | M14x0.75 |
| 543-014-03 | M14x1 |
| 543-014-04 | M14x1.25 |
| 543-014-05 | M14x1.5 |
| 543-016-01 | M16x0.5 |
| 543-016-02 | M16x0.75 |
| 543-016-03 | M16x1 |
| 543-016-04 | M16x1.5 |
| 543-018-01 | M18x0.5 |
| 543-018-02 | M18x0.75 |
| 543-018-03 | M18x1 |
| 543-018-04 | M18x1.5 |
| 543-018-05 | M18x2 |
| 543-020-01 | M20x0.5 |
| 543-020-02 | M20x0.75 |
| 543-020-03 | M20x1 |
| 543-020-04 | M20x1.5 |
| 543-020-05 | M20x2 |
| 543-022-01 | M22x0.5 |
| 543-022-02 | M22x0.75 |
| 543-022-03 | M22x1 |
| 543-022-04 | M22x1.5 |
| 543-022-05 | M22x2 |
| 543-024-01 | M24x0.75 |
| 543-024-02 | M24x1 |
| 543-024-03 | M24x1.5 |
| 543-024-04 | M24x2 |
| 543-027-01 | M27x0.75 |
| 543-027-02 | M27x1 |
| 543-027-03 | M27x1.5 |
| 543-027-04 | M27x2 |
| 543-030-01 | M30x0.75 |
| 543-030-02 | M30x1 |
| 543-030-03 | M30x1.5 |
| 543-030-04 | M30x2 |
| 543-030-05 | M30x3 |
| 543-033-01 | M33x0.75 |
| 543-033-02 | M33x1 |
| 543-033-03 | M33x1.5 |
| 543-033-04 | M33x2 |
| 543-033-05 | M33x3 |
| 543-036-01 | M36x1 |
| 543-036-02 | M36x1.5 |
| 543-036-03 | M36x2 |
| 543-036-04 | M36x3 |
| 543-039-01 | M39x1 |
| 543-039-02 | M39x1.5 |
| 543-039-03 | M39x2 |
| 543-039-04 | M39x3 |
| 543-042-01 | M42x1 |
| 543-042-02 | M42x1.5 |
| 543-042-03 | M42x2 |
| 543-042-04 | M42x3 |
| 543-042-05 | M42x4 |
| 543-045-01 | M45x1 |
| 543-045-02 | M45x1.5 |
| 543-045-03 | M45x2 |
| 543-045-04 | M45x3 |
| 543-045-05 | M45x4 |
| 543-048-01 | M48x1 |
| 543-048-02 | M48x1.5 |
| 543-048-03 | M48x2 |
| 543-048-04 | M48x3 |
| 543-048-05 | M48x4 |
| 543-052-01 | M52x1 |
| 543-052-02 | M52x1.5 |
| 543-052-03 | M52x2 |
| 543-052-04 | M52x3 |
| 543-052-05 | M52x4 |
| 543-056-01 | M56x1 |
| 543-056-02 | M56x1.5 |
| 543-056-03 | M56x2 |
| 543-056-04 | M56x3 |
| 543-056-05 | M56x4 |
| 543-060-01 | M60x1 |
| 543-060-02 | M60x1.5 |
| 543-060-03 | M60x2 |
| 543-060-04 | M60x3 |
| 543-060-05 | M60x4 |
