HL19-12-6

Hi-Lok — The fatigue-joint default when you can reach both sides — torques itself off.

Family	Hi-Lok (Howmet/Huck)
Series	Hi-Lok pin HL19
Head style	100° flush shear
Nominal diameter	3/8" (12/32 nominal)
Max grip	0.375" max (6/16)
Decode confidence	medium

Decode notes

Hi-Lok pin: HL + pin-type number + finish letters + diameter (1/32") + max grip (1/16").
No finish-code letters present.
Collars are separate part numbers (HL70/79/82/94/97); pin+collar combos (e.g. HL10VTB70-8-8) aren't fully parsed here.

Series & strength (datasheet)

HL10 (Ti) / HL18 (steel) protruding · HL11/HL19 flush · collars HL70/79/82/94/97

95 ksi shear min (HL10 6Al-4V Ti; HL18/19 alloy steel, 160–180 ksi tensile) — Hi-Lok Spec 342.

Datasheet (PDF) →

HL19 grip chart — 3/8" (12/32 nominal)

Every catalogued max-grip dash number at this diameter. Stack thickness must fall inside the fastener's grip range — see the design calculators.

HL19-12-2 HL19-12-3 HL19-12-4 HL19-12-5 HL19-12-6 HL19-12-7 HL19-12-8 HL19-12-9 HL19-12-10 HL19-12-11 HL19-12-12 HL19-12-13 HL19-12-14 HL19-12-15 HL19-12-16

Other diameters at this grip:

HL19-5-6 HL19-6-6 HL19-8-6 HL19-10-6

Sourcing

Lead-time risk for this family: Low

Need a price or lead time?

Build a spec-complete RFQ and send it to distributors who stock Hi-Lok.

Hi-Lok family page →Decode another part number →Not sure this is the right fastener? Use the selector →

Decoded from the published numbering scheme; not a claim that this exact dash number is a stocked SKU, and not a certified design authority. Always verify against the controlling drawing, spec, and your stress group.