Self-drilling anchor bolts are an anchoring solution for unstable ground conditions such as sand, gravel, silt and clay, as well as soft to moderately fractured rock formations.
Kingrail Parts can supply a full range of R-threaded and T-head self-drilling anchoring systems:
(1) R thread/R25, R32, R38, R51
(2) T-type thread/T30, T40, T52, T73, T76
Specification:
BAR DIAMETER |
AVERAGE INNER DIAMETER |
MINIMUM NET AREA THROUGH THREADS |
MINIMUM ULTIMATE STRENGTH |
MINIMUM YIELD STRENGTH |
NOMINAL WEIGHT |
PART NUMBER |
---|---|---|---|---|---|---|
32 mm (1-1/4") |
0.787" (20.0 mm) |
0.556 in² (359 mm²) |
58.4 kips (260 kN) |
47.2 kips (210 kN) |
2.1 lbs/ft (3.1 kg/m) |
B7X1-032N |
32S mm (1-1/4") |
0.626" (15.9 mm) |
0.776 in² (501 mm²) |
81.5 kips (363 kN) |
66.0 kips (294 kN) |
2.7 lbs/ft (4.0 kg/m) |
B7X1-032S |
38 mm (1-1/2") |
0.830" (21.1 mm) |
1.067 in² (688 mm²) |
112 kips (498 kN) |
90.7 kips (404 kN) |
3.76 lbs/ft (5.6 kg/m) |
B7X1-038N |
51 mm (2") |
1.187" (30.1 mm) |
1.795 in² (1158 mm²) |
188 kips (837 kN) |
152 kips (677 kN) |
6.26 lbs/ft (9.3 kg/m) |
B7X1-051N |
76 mm (3") |
1.890" (48.0 mm) |
3.880 in² (2503 mm²) |
407 kips (1811 kN) |
329 kips (1466 kN) |
13.79 lbs/ft (20.5 kg/m) |
B7X1-076N |
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