HL10-8-8

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

Family	Hi-Lok (Howmet/Huck)
Series	Hi-Lok pin HL10
Head style	Protruding shear (titanium)
Nominal diameter	1/4" (8/32 nominal)
Max grip	0.500" max (8/16)
Material	Ti-6Al-4V (per HL10 spec)
Decode confidence	high

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) →

HL10 grip chart — 1/4" (8/32 nominal)

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

HL10-8-2 HL10-8-3 HL10-8-4 HL10-8-5 HL10-8-6 HL10-8-7 HL10-8-8 HL10-8-9 HL10-8-10 HL10-8-11 HL10-8-12 HL10-8-13 HL10-8-14 HL10-8-15 HL10-8-16

Other diameters at this grip:

HL10-5-8 HL10-6-8 HL10-10-8 HL10-12-8

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.