HI-LOK PINS

Hi-Lok Pins

Hi-Lok Pins

Hi-Lok Pins

AIAP is an authorized distributor of the Hi-Lok fastening system, a proven solution combining the strength of a bolt with the weight efficiency of a rivet. Hi-Lok pins are widely used in airframe assembly and maintenance, meeting strict aerospace requirements for strength, fatigue resistance, and consistency. Our inventory includes HL part numbers and OEM-specific versions for Boeing, Lockheed Martin, and Bombardier programs.

Key Features of Hi-Lok Pins
  • Precision-engineered shank – Delivers consistent hole fit and reliable clamp-up load.
  • Head configurations – Available in flush countersunk or protruding styles to maintain smooth aerodynamic surfaces.
  • High-strength materials – Manufactured in titanium, alloy steel, and stainless steel for optimal strength-to-weight performance.
  • Hex recess installation – Pre-drilled recess at the pin end allows use of a hex tool for secure collar installation.
  • Tight tolerances – Ensure precise alignment and prevent joint play under load.
Product #Head StyleMaterialPin DescriptionRecommended Collars
HL10Protruding Shear6AL-4V TitaniumStandard Shank Diameter, 1/16 Grip VariationHL70, HL79, HL82, HL94, HL97, HL379
HL11100° Flush Shear6AL-4V TitaniumStandard Shank Diameter, 1/16 Grip VariationHL70, HL79, HL82, HL94, HL97, HL379
HL12Protruding Tension6AL-4V TitaniumStandard Shank Diameter, 1/16 Grip VariationHL75, HL86, HL198, HL280
HL13100° Flush Tension6AL-4V TitaniumStandard Shank Diameter, 1/16 Grip VariationHL75, HL86, HL198, HL280
HL18Protruding ShearAlloy SteelStandard Shank Diameter, 1/16 Grip VariationHL70, HL79, HL82, HL94, HL97, HL175
HL19100° Flush ShearAlloy SteelStandard Shank Diameter, 1/16 Grip VariationHL70, HL79, HL82, HL94, HL97, HL175
HL20Protruding TensionAlloy SteelStandard Shank Diameter, 1/16 Grip VariationHL75, HL86, HL87
HL22Protruding Shear7075-T6 Aluminum AlloyStandard Shank Diameter, 1/16 Grip VariationHL77, HL182, HL277
HL23100° Flush Shear7075-T6 Aluminum AlloyStandard Shank Diameter, 1/16 Grip VariationHL77, HL182, HL277
HL30Protruding Shear431 Stainless SteelStandard Shank Diameter, 1/16 Grip VariationHL70, HL79, HL82, HL94, HL97, HL175
HL31100° Flush Shear431 Stainless SteelStandard Shank Diameter, 1/16 Grip VariationHL70, HL79, HL82, HL94, HL97, HL175
HL32Protruding Tension431 Stainless SteelStandard Shank Diameter, 1/16 Grip VariationHL73, HL75, HL86, HL87, HL89, HL273
HL40Protruding ShearA-286 Hi-Temp. AlloyStandard Shank Diameter, 1/16 Grip VariationHL70, HL79, HL82, HL94, HL97, HL297
HL41100° Flush ShearA-286 Hi-Temp. AlloyStandard Shank Diameter, 1/16 Grip VariationHL70, HL79, HL82, HL94, HL97, HL297
HL48Protruding TensionA-286 Hi-Temp. AlloyStandard Shank Diameter, 1/16 Grip VariationHL75, HL78, HL86
HL49100° Flush TensionA-286 Hi-Temp. AlloyStandard Shank Diameter, 1/16 Grip VariationHL75, HL78, HL86
HL54Protruding Shear431 Stainless SteelUsed in shear applications where pin shank and hole close tolerances are required. Same as HL30 except cadmium plated.HL70, HL79, HL82, HL94, HL97, HL175
HL58Protruding Shear431 Stainless Steel1/32 oversize for HL66HL84, HL197, HL294, HL382
HL59100° Flush Shear431 Stainless Steel1/32 oversize for HL67HL84, HL197, HL294, HL382
HL62Protruding ShearAlloy Steel1/64 OVERSIZE FOR HL18 or HL418HL79, HL82, HL94, HL175, HL197
HL63100° Flush ShearAlloy Steel1/64 OVERSIZE FOR HL19 or HL419HL79, HL82, HL94, HL175, HL197
HL64Protruding TensionAlloy Steel1/64 OVERSIZE FOR HL20 or HL420HL75, HL87
HL65100° Flush TensionAlloy Steel1/64 OVERSIZE FOR HL21 or HL421HL75, HL87
HL67100° Flush Shear431 Stainless Steel1/64 oversize for HL31HL79, HL82, HL94, HL175, HL197, HL297
HL110Protruding Shear6AL-4V Titanium1/64 OVERSIZE FOR HL10HL79, HL82, HL94, HL276,HL379
HL111100° Flush Shear6AL-4V Titanium1/64 OVERSIZE FOR HL11HL79, HL82, HL94, HL276, HL379
HL112Protruding Tension6AL-4V Titanium1/64 oversize for HL12HL75, HL87, HL198, HL280
HL113100° Flush Tension6AL-4V Titanium1/64 oversize for HL13HL75, HL87, HL198, HL280
HL136Protruding Tension431 Stainless Steel
HL140Protruding Shear431 Stainless Steel
HL144Others431 Stainless Steel
HL220Protruding TensionAlloy Steel1/32 oversize for HL64HL93, HL293, HL393
HL227100° Flush Shear6AL-4V Titanium
HL240Protruding Shear431 Stainless Steel
HL241100° Flush Shear431 Stainless Steel 1/16″ Grip Variation, 1/32″ Oversize
HL248Protruding Tension431 Stainless Steel
HL326Protruding TensionAlloy SteelLead In Radius Interference Application
HL349130° Flush Crown Shear6AL-4V Titanium
HL358Protruding Shear6AL-4V Titanium
HL318Protruding ShearAlloy Steel
HL410Protruding Shear6AL-4V Titanium
HL411100° Flush Shear6AL-4V Titanium
HL412Protruding Tension6AL-4V Titanium
HL413100° Flush Tension6AL-4V Titanium
HL440Protruding Shear431 Stainless Steel
HL441100° Flush Shear431 Stainless Steel
HL443100° Flush Shear431 Stainless Steel1/16 GRIP VARIATION, – 1/16 OVERSIZE PLATED
HL448Protruding Tension431 Stainless Steel1/I6 GRIP VARIATION
HL454Protruding Tension431 Stainless Steel1/16″ GRIP VARIATION – 1/32″ OVERSIZE
HL523100° Flush Tension6AL-4V Titanium1/16″ GRIP VARIATION
HL633100° Flush Shear431 Stainless Steel1/32 /0.031/ IN. OVERSIZE FOR HL111HL84,HL197,HL 294, HL382
HL701100° Flush ShearNickel Based Alloy
HL730Protruding TensionNickel Based Alloy
HL731100° Flush TensionNickel Based Alloy
HL754Protruding ShearNickel Based Alloy
HLM10Protruding Shear6AL-4V Titanium
HLM11100° Flush Shear6AL-4V Titanium
HLM12Protruding Tension6AL-4V Titanium
HLM32Protruding TensionNicked Based Alloy
HLM36Protruding Tension431 Stainless Steel
HLM41100° Flush Shear431 Stainless Steel
HLM211100° Flush Shear6AL-4V Titanium
HLM213100° Flush Tension6AL-4V Titanium
HLM310Protruding Shear6AL-4V Titanium
HLM312Protruding Tension6AL-4V Titanium
HLM336Protruding Tension431 Stainless Steel
HLM611100° Flush Shear6AL-4V Titanium
HLM612Protruding Tension6AL-4V Titanium1 MM GRIP VARIATION, 1 MM OVERSIZE