Mizumoto Machine Mfg. Co.
Mizumoto SPK Series Locking Pin Shackle

Manufacturer: Mizumoto Machine Mfg. Co., Ltd.
Model: SPK Series
Features
- Since the pin does not fall out of the frame, the pin does not accidentally fall off, making it suitable for working at high altitudes.
- It is used for connecting chains, wires, ropes, etc., and for joints of terminal fittings.
Specifications
| Product Number | D | L | B | d | t | Thread Size | Weight (g) | Reference Load (kgf) | Reference Load (kN) |
| SPK-4 | 3.5 | 16 | 8 | 8 | 4 | M-4 | 7 | 40 | 0.39 |
| SPK-5 | 4.3 | 20 | 10 | 10 | 5 | M-5 | 13 | 60 | 0.59 |
| SPK-6 | 5.2 | 24 | 12 | 12 | 6 | M-6 | 24 | 110 | 1.08 |
| SPK-7 | 7 | 28 | 14 | 14 | 7 | M-8 | 37 | 200 | 1.96 |
| SPK-8 | 7 | 32 | 16 | 16 | 8 | M-8 | 54 | 200 | 1.96 |
| SPK-9 | 9 | 36 | 18 | 18 | 9 | M-10 | 79 | 300 | 2.94 |
| SPK-10 | 9 | 40 | 20 | 20 | 10 | M-10 | 109 | 300 | 2.94 |
| SPK-12 | 11 | 48 | 24 | 24 | 12 | M-12 | 187 | 380 | 3.72 |
| SPK-13 | 12.5 | 53.5 | 28 | 28 | 14 | M-14 | 293 | 460 | 4.51 |
| SPK-16 | 14 | 64 | 32 | 32 | 16 | W-5/8 | 430 | 650 | 6.37 |
| SPK-19 | 17 | 76 | 38 | 38 | 19 | W-3/4 | 749 | 860 | 8.43 |
*The pin is designed to prevent it from falling out, but if you shake the pin hard or pry the pin at the last minute, the pin may fall out of the frame in rare cases, so please be careful with especially large sizes.
Dimensions (mm)












