The Hi-Lok HL21PB8-12 is a high-strength fastener designed for secure, vibration-resistant connections in aerospace, defense, and industrial applications. It provides reliable, reusable locking capabilities essential for critical structural assemblies and maintenance operations. Its precision engineering ensures optimal performance in demanding environments requiring durable and dependable fastening solutions.
hide-Asset:
2792P
hide-Quantity Increment:
1
note-Sold In:
EA
note-Units Per Package:
1
spec-Material:
Steel Alloy
note-Note:
Our inventory is extensive. The majority of the items listed in our catalog are stocked and available for immediate shipment.
hide-ItemID:
59939
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-Maximum Grip:
3/4"
spec-Nominal Diameter:
1/4"
spec-Diameter A:
0.5018|0.5066"
spec-Diameter D:
0.2485|0.2495"
spec-Diameter TD:
0.2410|0.2440"
spec-Dimension H:
0.1060|0.1080"
spec-Minimum Double Shear Load:
9300 lb
spec-Minimum Tension Load:
5820 lb
spec-Diameter B:
0.395"
spec-Maximum Grip + B Tolerance:
±0.010"
spec-Maximum Grip Tolerance:
±0.005"
spec-Manufacturer:
Hi-Lok
spec-Alternate Part Number:
BACB30JC8-12
spec-NSN:
5320-00-757-5520
spec-NIIN:
00-757-5520
hide-Part # Unpunctuated:
HL21PB812
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.