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The stamped stainless steel shackles we use on Harken® Small Boat Blocks are available separately for use in a variety of applications. The breaking strengths shown are derived from weights supported by 80% of the length of the shackle pin, similar to the length spanned by a block's headpost.
Stamped shackles are appropriate for low loads. For higher loads, select forged and forged high-resistance shackles instead.
Stamped shackles are appropriate for low loads. For higher loads, select forged and forged high-resistance shackles instead.
Reference |
HK246 |
HK072 |
HK138 |
Shackle pin Ø (mm) |
4 mm |
5mm |
6mm |
Shackle pin Ø (in) |
5/32 in |
3/16 in |
1/4in |
Weight (g) |
5 g |
8 g |
15.5g |
Weight (oz) |
0.18 oz |
0.29 oz |
0.54oz |
A (mm) |
11 mm |
12mm |
17mm |
A (in) |
7/16 in |
1/2 in |
11/16in |
B (mm) |
9 mm |
11mm |
16mm |
B (in) |
3/8 in |
7.16 in |
5/8in |
Maximum working load (kg) |
270kg |
567kg |
680kg |
Maximum working load (lb) |
600lb |
1250lb |
1500lb |
Breaking load (kg) |
545kg |
1134kg |
1361kg |
Breaking load (lb) |
1200lb |
2500lb |
3000lb |
- Material(s):
- Stainless Steel A4
- Useful Lenght (mm):
- 11
- Width (mm):
- 9
- Breaking Load (kg):
- 545
- Working Load (kg):
- 270
- Shackle Pin Ø (mm):
- 4
- Weight (gr):
- 5.0
- Manufacturing Type:
- Stamped
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