Installation Accessories

Installation Accessories

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Mechanical Rock Bolts

Expansion Shells

Expansion Shells

  • for 5/8" & 3/4" UNC threads & 7/8" where applicable
  • Ø = 1-1/32" (26 mm) hole size: model F1F, L = 3-1/4"
  • Ø = 1-1/4" (32 mm) hole size: model
    F1-1/4B, L = 3-1/4"
  • Ø = 1-3/8" (35 mm) hole size: model F2B, L = 2-7/8"
  • Ø = 1-1/2" (38 mm) hole size: model D1L, L = 5"
  • Ø = 1- 3/4" (45 mm) hole size: model D5-1, L = 3"
Nuts

Nuts

  • for TBE rock bolts only
  • for 5/8" and 3/4" & 7/8" UNC thread:
  • A.F. = 1-1/8" square
  • T = 0.8"
Hardened Round Washers

Hardened Round Washers

  • to ASTM F436 specifications
  • for 5/8" and 3/4" thread
  • I.D. = 13/16"
  • O.D. = 1-15/32"
  • T = 0.122" to 0.177"
Spherical Seat (Compensation) Washers

Spherical Seat (Compensation) Washers

  • ductile iron ASTM A536 Gr. 65-45-12
  • for 5/8” thread: 
    I.D. = 11/16”, O.D. = 2”, H = 3/4” (model TSW-2)
    I.D. = 15/16”, O.D. = 2”, H = 1/2” (model TSW)
  • 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)
Installation Tools - for stopers/jacklegs

Installation Tools - for stopers/jacklegs

  • for forged head rockbolts:
    1-1/8" square driver
    15/16" square driver (for T-Dome bolts)
  • for TBE bolts:
    1-1/8" square nutrunner
  • available with 7/8" hex shank or socket
Rope thread and T-thread drivers and nutrunners available on request.
DSI Underground Canada Ltd.

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