
Diamond & Oval Pattern Regular Wire Rope Blocks
- Laser cut painted side plates (can be furnished galvanized upon request).
- Grade 5 bolts secured with lock washers and staked nuts.
- All sizes feature bronze bushed steel sheaves with larger bearing diameter for extended block life.
- New style hanger for fitting attachment
- Available with hanger only (no fitting).
- Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these blocks meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26.

T-641- B

S-642-B
Block Size (in.) |
Fitting | Diamond Pattern with Bronze Bushed Steel Sheaves |
Oval Pattern with Bronze Bushed Steel Sheaves |
||
---|---|---|---|---|---|
641-B Single |
642-B Double |
661-B Single |
662-B Double |
||
4 | T | 781586 | 782193 | 791183 | 791593 |
6 | T | 781611 | 782219 | 791218 | 791619 |
8 | T | 781639 | 782237 | 791236 | 791637 |
10 | T | 781657 | 782255 | 791254 | 791655 |
4 | S | 785886 | 786199 | 795884 | 796197 |
6 | S | 785902 | 786206 | 795900 | 796204 |
8 | S | 785920 | 786224 | 795928 | 796222 |
10 | S | 785948 | 786242 | 795946 | 796240 |
6 | J | 782102 | 782503 | 791502 | 791904 |
8 | J | 782120 | 782521 | 791520 | 791922 |
10 | J | 782148 | 782549 | 791548 | 791940 |
6 | E | 782004 | 782406 | 791307 | 791708 |
8 | E | 782022 | 782424 | 791325 | 791726 |
10 | E | 782040 | 782442 | 791343 | 791744 |
*Fitting Type : T – Hook with Latch; S – Round Pin Shackle; J – Oblong Eye; E – Swivel Shackle Eye
Block Size (in.) |
Sheave Size (in.) |
Wire Rope Size (in.) |
Working Load Limit (Tons)* |
Weight Each (lbs.) |
|||
---|---|---|---|---|---|---|---|
Outside Diam. |
Rim Thickness |
641 661 Single |
642 662 Double |
641 661 Single |
642 662 Double |
||
4 | 4 | 3/4 | 3/8 | 1 | 2 | 8 | 11 |
6 | 6 | 1 | 3/8 | 3 | 4 | 15 | 21 |
8 | 8 | 1-1/4 | 5/8 | 4 | 6 | 28 | 41 |
10 | 10 | 1-1/4 | 5/8 | 4 | 7 | 38 | 60 |
*Ultimate Load is 4 times the Working Load Limit