
| Size | Property class | Coating | 
|---|---|---|
| M12–M36 | 33H / hardness 33–44 HRC | Black oxide | 
Please contact us for other coating options.
Unit: millimeters (mm)
| Nominal size | Pitch | L | Set screw (1) | Lock screw (2) | Thread length (approx.) | Hex socket (common to 1, 2) | Pin dia. | Unit weight | Reference tightening torque (N·m) (same for set and lock screws) (same material, strength)  | 
Guaranteed torque | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| H | Tolerance | t1 | H1 | Tolerance | t2 | ℓ | |||||||||||
| S, S1 | C: Coarse | F: Fine | B | Tolerance | D | Tolerance | (g) | ||||||||||
| M12 | 1.75 | 1.5 | 100 | 15 | ±0.35 | ≧4 | 16 | ±0.35 | 12 | 28 | 6 | +0.02 +0.14  | 
8 | 0 ‐0.2  | 
53 | 29 ~ 34 | 52 | 
| – | 200 | 92 | |||||||||||||||
| M16 | 2.0 | 1.5 | 100 | 20 | ±0.42 | ≧6 | 20 | ±0.42 | 12 | 36 | 8 | +0.03 +0.18  | 
12 | 0 ‐0.2  | 
123 | 66 ~ 78 | 120 | 
| 200 | 212 | ||||||||||||||||
| – | 250 | 257 | |||||||||||||||
| M20 | 2.5 | 1.5 | 100 | 25 | ±0.42 | ≧6 | 20 | ±0.42 | 12 | 40 | 10 | +0.03 +0.18  | 
16 | 0 ‐0.2  | 
217 | 121 ~ 143 | 220 | 
| 200 | 374 | ||||||||||||||||
| – | 250 | 453 | |||||||||||||||
| 300 | 531 | ||||||||||||||||
| M24 | 3.0 | 1.5 | 100 | 35 | ±0.42 | ≧7 | 25 | ±0.42 | 15 | 54 | 12 | +0.03 +0.21  | 
20 | 0 ‐0.2  | 
369 | 204 ~ 241 | 370 | 
| 200 | 613 | ||||||||||||||||
| – | 250 | 735 | |||||||||||||||
| 300 | 857 | ||||||||||||||||
| M30 | 3.5 | 1.5 | 100 | 40 | ±0.42 | ≧7 | 30 | ±0.42 | 20 | 64 | 17 | +0.03 +0.21  | 
24 | 0 ‐0.2  | 
570 | 539 ~ 637 | 980 | 
| 200 | 922 | ||||||||||||||||
| – | 250 | 1,098 | |||||||||||||||
| M36 | 4.0 | 1.5 | 100 | 40 | ±0.5 | ≧7 | 35 | ±0.5 | 20 | 68 | 17 | +0.03 +0.21  | 
30 | 0 ‐0.2  | 
948 | 539 ~ 637 | 980 | 
| 200 | 1,501 | ||||||||||||||||
• External dimensions: Hexagon socket set screws JIS B1177(2007)/ISO 4026
• Screw thread tolerances: JIS B0209 (2001)/ISO 965 6g6g
• The reference tightening torque is calculated at approximately 60% of the guaranteed load of the hex wrench. (JIS B4648)
• Please be advised that the dimensions and other specifications are subject to change without notice.