DSI Mining Canada
Stelpipe Bolts Accessories
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.