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JBF National hard core-core pins come manufactured from hot forged and annealed steel, and feature a ground finish. To ensure the highest quality, JBF National hard core pins are laser inspected throughout the entire manufacturing process. Hard core pin through hardness is 50/55 RC. Please see component diagram below.
Hard Core Pins
<!-Hard Core Pins - 2->
Unit of Measure
1 2 

Item #

Dimension G

Dimension T

Dimension R

Length (L)

Drawings

HCP5742 N/A 11/32 in N/A 9/16 in N/A 1/4 in N/A 18 in

HCP5743 N/A 23/64 in N/A 5/8 in N/A 1/4 in N/A 18 in

HCP5745 N/A 13/32 in N/A 11/16 in N/A 1/4 in N/A 18 in

HCP5746 N/A 29/64 in N/A 11/16 in N/A 1/4 in N/A 18 in

HCP5747 N/A 15/32 in N/A 3/4 in N/A 1/4 in N/A 18 in

HCP5748 N/A 17/32 in N/A 13/16 in N/A 1/4 in N/A 18 in

HCP5749 N/A 9/16 in N/A 13/16 in N/A 1/4 in N/A 18 in

Unit of Measure
1 2