The Hi-Lok HL218-8-9 is a high-strength fastener designed for critical aerospace and industrial applications requiring reliable, vibration-resistant connections. It is commonly used in aircraft structural assemblies, turbine engines, and other high-performance machinery where secure fastening is essential. Its precision-engineered design ensures durability and consistent performance in demanding environments.
hide-Asset:
2825P
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:
59845
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:
9/16"
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-Alternate Part Number:
BACB30KK8-9
spec-NSN:
5320-00-414-6166
spec-NIIN:
00-414-6166
hide-Part # Unpunctuated:
HL21889
note-Minimum Order Note:
Minimum order is 5. 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.
