The HL221-8-4 1/4 Inch Maximum Grip HL221 Hi-Lok Flush Tension Head Pin is a precision fastener designed for secure, flush-mounted connections in aerospace and industrial applications. It provides reliable tensioning and locking capabilities, ensuring structural integrity in critical assemblies. This product is commonly used in aircraft, military, and high-performance engineering environments where safety and durability are paramount.
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:
8550
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:
1/4"
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 10. 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.
