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Hex Head Machine Bolts

For Square Head Bolts, see previous pages.

Sometimes referred to as "crossarm" bolts or "through" bolts, Hubbell Power Systems (HPS) square head and hex head machine bolts are manufactured to HPS specifications that meet the requirements of ANSI C135.1 and are available in a range of thread diameters and lengths. The head is marked with an identifying "C" and the bolt includes an assembled square or hex nut that corresponds to the head shape. Threads are formed with the rolled thread process. Bolt length is measured from the underside of the head to the last thread. Semi-cone point comes on bolts 8" and longer in 1/2", 5/8" and 3/4" diameters. All others have chamfered or rounded ends. For lengths not shown, contact HPS Customer Service.

1/2" Thread Diameter (1/2-13UNC)
7,800 lbs. Rated Tensile Strength
Catalog Number Length Minimum Thread Length Approx. Ship Wt. per Each
PSHB120125 1-1/4" 1-1/4" 0.14 lbs.
PSHB120150 1-1/2" 0.15 lbs
PSHB120175 1-3/4" 0.16 lbs.
PSHB120200 2" 0.17 lbs
PSHB120250 2-1/2" 0.20 lbs
PSHB120300 3" 0.23 lbs
PSHB120350 3-1/2" 0.27 lbs
PSHB120400 4" 3" 0.30 lbs
5/8" Thread Diameter (5/8-11UNC)
12,400 lbs. Rated Tensile Strength
Catalog Number Length Minimum Thread Length Approx. Ship Wt. per Each
PSHB580150 1-1/2" 1-1/4" .033 lbs.
PSHB580175 1-3/4" 1-1/2" .035 lbs.
PSHB580200 2" .037 lbs.
PSHB580225 2-1/4" .040 lbs.
PSHB580250 2-1/2" .043 lbs.
PSHB580300 3" .046 lbs.
PSHB580400 4" 3" .052 lbs.
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