The Hi-Lok HL218-8-6 is a high-strength fastener designed for critical structural applications requiring reliable, vibration-resistant connections. It is commonly used in aerospace, military, and industrial assembly where secure, reusable fastening is essential. This product ensures precise torque retention and durability in demanding environments, supporting safety and performance standards.
hide-Asset:
2825P
hide-Quantity Increment:
1
note-Sold In:
EA
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:
59842
spec-Thread Size:
1/4"-28
spec-Head Type:
Protruding Shear
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:
0.387|0.412"
spec-Reference B:
0.395"
spec-Diameter D:
0.2797|0.2807"
spec-Diameter TD:
0.2410|0.2440"
spec-Reference G:
0.03"
spec-Dimension H:
0.059|0.069"
spec-Minimum Double Shear Load:
11800 lb
spec-Minimum Tension Load:
4300 lb
spec-Radius R:
0.015|0.025"
spec-Maximum Grip + B Tolerance:
±0.010"
spec-Maximum Grip Tolerance:
±0.005"
spec-Manufacturer:
Hi-Lok
spec-NSN:
5320-00-494-7991
spec-NIIN:
00-494-7991
hide-Part # Unpunctuated:
HL21886
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.
