Columbus McKinnon
5/16" Super Strong Screw Pin Anchor Shackle 1 T-M647G
SKU: M647G
$14.30
View Details
Working Load Limit 1 TON
Factor 6:1
Origin USA
Super Strong Shackles are rated 17% to 50% stronger than comparable-sized carbon shackles, with a 6:1 design factor throughout the range. All pins are forged from alloy steel, heat treated and tempered for greater strength. Each shackle is marked with size and working load limit.
- Alloy steel pins — forged, heat treated & tempered
- 6:1 design factor across all sizes
- Each shackle marked with size and WLL
- Manufactured in USA
Pin TypeSCREW PIN
MaterialALLOY STEEL, HEAT TREATED & TEMPERED
Design Factor6 : 1
Size Range3/16" — 2-1/2"
WLL Range1/2 TON — 55 TON
OriginMANUFACTURED IN USA
Working Load Limits by Size
| Size (in) | WLL (ton) | Weight (lb) | Screw Pin # | Bolt, Nut & Cotter # |
|---|---|---|---|---|
| 3/16 | 1/2 | 0.06 | M645G | — |
| 1/4 | 3/4 | 0.12 | M646G | M846G |
| 5/16 | 1 | 0.20 | M647G | M847G |
| 3/8 | 1-1/2 | 0.30 | M648G | M848G |
| 7/16 | 2 | 0.50 | M649G | M849G |
| 1/2 | 3 | 0.75 | M650G | M850G |
| 5/8 | 4-1/2 | 1.30 | M651G | M851G |
| 3/4 | 6-1/2 | 2.30 | M652G | M852G |
| 7/8 | 8-1/2 | 3.50 | M653G | M853G |
| 1 | 10 | 5.00 | M654G | M854G |
| 1-1/8 | 12 | 7.00 | M655G | M855G |
| 1-1/4 | 14 | 9.50 | M656G | M856G |
| 1-3/8 | 17 | 12.50 | M666G | M866G |
| 1-1/2 | 20 | 17.20 | M657G | M857G |
| 1-5/8 | 24 | 23.50 | M685G | M885G |
| 1-3/4 | 30 | 27.70 | M677G | M877G |
| 2 | 35 | 39.00 | M658G | M858G |
| 2-1/2 | 55 | 90.50 | — | MC860G |
⚠
Never exceed the rated Working Load Limit. Always follow applicable domestic safety regulations. Inspect before every use — remove from service if deformed, worn, or damaged.
6:1 DESIGN FACTOR │ ALLOY STEEL │ HEAT TREATED Liftgear Houston, Texas
No documents available for this product.
Reviews coming soon.
