Installation Accessories

Stelpipe Rock Bolts

 

Expansion Shells

  • for 3/4” thread (model F1-1/4B):
    L = 3-1/4”
  • Ø = 1-1/4” (32 mm) hole size
    for 1” thread (model F9F):
    L = 3-1/4”
  • Ø = 1-3/4”

 

Nuts

  • for 3/4” thread:
    A.F. = 1-1/8” square
    T = 0.8”
  • for 1” thread:
    A.F. = 1-5/8” hex
    T = 63/64” 

 

Hardened Round Washers

  • to ASTM F436 specifications
  • for 3/4” thread:
    I.D. = 13/16”, O.D. = 1-15/32”, T = 0.122” to 0.177”
  • for 1” thread:
    I.D. = 1-1/8”, O.D. = 2”, T = 0.136” to 0.177”

 

Spherical Seat (Compensation) Washers

  • ductile iron ASTM A536 Gr. 65-45-12
  • for 3/4” thread:
    I.D. = 13/16”, O.D. = 2”, H = 13/16” (model TSW-4)
    I.D. = 15/16”, O.D. = 2”, H = 1/2” (model TSW)
  • for 1” thread: I.D. = 1-1/16”, O.D. = 2”, H = 1/2” (model TSW-1)

 

Installation Tools - for stopers/jacklegs

  • 1-1/8” square nutrunner (for 3/4” bolts)
  • 1-5/8” hex nutrunner (for 1” bolts)
  • available with 7/8” hex socket
    or 3-1/4” long 7/8” hex shank

Rope thread and T-thread drivers and nutrunners available on request.