Western T-641-B Western Diamond Pattern Construction Blocks

Western T-641-B Western Diamond Pattern Construction Blocks

  • 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).
  • For reeving information, see page 379.
  • 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.
Block
Size
(in.)
Fitting Diamond Pattern
with
Bronze Bushed
Steel Sheaves
4 T 781586
6 T 781611
8 T 781639
10 T 781657
4 S 785886
6 S 785902
8 S 785920
10 S 785948
6 J 782102
8 J 782120
10 J 782148
6 E 782004
8 E 782022
10 E 782040

 

Block
Size
(in.)
Sheave Size
(in.)
Wire Rope
Size
(in.)
Working
Load Limit
(Tons)*
Weight Each
(lbs.)
Outside
Diam.
Rim
Thickness
4 4 3/4 3/8 1 8
6 6 1 3/8 3 15
8 8 1-1/4 5/8 4 28
10 10 1-1/4 5/8 4 38