The Hi-Lok HL221-8-6 is a high-performance threaded fastener designed for precise and secure assembly in critical applications. It is commonly used in aerospace, defense, and industrial machinery where reliable joint integrity is essential. Its robust construction ensures durability and consistent performance under demanding operational conditions.
hide-Asset:
2828P
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:
59974
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:
3/8"
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
spec-NSN:
5320-01-251-0014
spec-NIIN:
01-251-0014
hide-Part # Unpunctuated:
HL22186
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.