Rebar Rockbolts (Forged Head & Threaded)

#5 (15M), #6 (20M), #7 (22M) and #8 (25M)
Dimensions#5 (15M)#6 (20M)#7 (22M)#8 (25M)
Nominal Bar Size E0.625" (16 mm)0.750" (19.5 mm)0.875" (22.2 mm)1.0" (25.2 mm)
Head Across Flats F1.088" to 1.125" (27.64 mm to 28.58 mm)
Head Across Corners G1.425" to 1.591" (36.19 mm to 40.41 mm)
Head Height, min. H0.40" (10.2 mm)
Thread Size (left and right)  I5/8”- 11 UNC3/4”- 10 UNC7/8”- 9 UNC1”- 8 UNC
Technical Data - Forged Head - grade 60:#5 (15M) #6 (20M) #7 (22M)#8 (25M)
Yield Strength, min.18,600 lbs
(80 kN)
26,400 lbs
(120 kN)
36,100 lbs
(155 kN)
47,100 lbs
(200 kN)
Tensile Strength, min.27,600 lbs
(121 kN)
39,600 lbs
(180 kN)
54,100 lbs
(232 kN)
70,600 lbs
(300 kN)
Elongation in 8" (200mm)9% minimum
Technical Data - Threaded - grade 60:5/8" - 11 UNC3/4" - 10 UNC7/8" - 9 UNC1" - 8 UNC
Yield Strength, min.13,600 lbs
(60.5 kN)
20,000 lbs
(89 kN)
27,700 lbs
(123.2 kN)
36,400 lbs
(161.9 kN)
Tensile Strength, min.20,300 lbs
(90.3 kN)
30,100 lbs
(133.9 kN)
41,600 lbs
(185 kN)
54,500 lbs
(242.4 kN)
Elongation in 8" (200mm)9% minimum


Notes: USA - manufactured to ASTM F432 and ASTM A615 specifications; bolts MSHA approved
Canada - manufactured to ASTM F432, CSA M430 and CSA G30.18M specifications
Grade 40 & 75 available where applicable. Notched rebar optional for bending.