HL221-8-9

HI-LOK (HL221-8-9)

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Sold in increments of 1
The HL221-8-9 9/16 Inch Maximum Grip HL221 Hi-Lok Flush Tension Head Pin is a high-performance fastener designed for secure and reliable assembly in aerospace, automotive, and industrial applications. Its flush head design ensures a smooth surface finish, making it ideal for applications requiring aerodynamic or aesthetic considerations. This tension head pin provides consistent tension and shear strength, supporting critical load-bearing connections in demanding environments.

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hide-Asset: 1233P
hide-Quantity Increment: 1
note-Sold In: Per Package
note-Units Per Package: 1
note-Note: Our inventory is extensive. The majority of the items listed in our catalog are stocked and available for immediate shipment.
hide-ItemID: 8555
spec-Thread Size: 1/4"-28
spec-Head Type: Flush Tension
spec-Head Angle: 100 º
spec-Thread Type: 1/4-28-UNJF-3A Modified
spec-Tensile Strength: 160000 to 180000 psi
spec-Shear Strength: 95000 psi
spec-Maximum Grip: 9/16"
spec-Nominal Diameter: 9/32"
spec-Diameter A: 0.5018|0.5066"
spec-Reference B: 0.395"
spec-Diameter D: 0.2797|0.2807"
spec-Diameter TD: 0.2410|0.2440"
spec-Dimension H: 0.0928|0.0948"
spec-Minimum Double Shear Load: 11800 lb
spec-Minimum Tension Load: 5820 lb
spec-Maximum Grip + B Tolerance: ±0.010"
spec-Maximum Grip Tolerance: ±0.005"
spec-Manufacturer: Hi-Lok
note-Minimum Order Note: Minimum order is 1. Must order in increments of 1.
note-Inventory Note: Need additional stock? Call (877) 920-1876 or email
note-California Residents: Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.

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The HL221-8-9 9/16 Inch Maximum Grip HL221 Hi-Lok Flush Tension Head Pin is a high-performance fastener designed for secure and reliable assembly in aerospace, automotive, and industrial applications. Its flush head design ensures a smooth surface finish, making it ideal for applications requiring aerodynamic or aesthetic considerations. This tension head pin provides consistent tension and shear strength, supporting critical load-bearing connections in demanding environments.

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