Hi-Lok - Protruding Shear Head, Oversized For Hl18, Alloy Steel, Cadmium Plated | Diameter: 9/32", Grip Length: 5/16"

Detail Characteristic
FASTENER LENGTH0.697 INCHES MINIMUM AND 0.717 INCHES MAXIMUM
HARDNESS RATING35.0 ROCKWELL C NOMINAL OVERALL
HEAD DIAMETER0.387 INCHES MINIMUM AND 0.412 INCHES MAXIMUM
HEAD HEIGHT0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SHOULDER DIAMETER0.279 INCHES MINIMUM FIRST SHOULDER AND 0.280 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH0.302 INCHES MINIMUM FIRST SHOULDER AND 0.322 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.395 INCHES MINIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH28

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Unit of Measure

Inventory

N/A {0}

Estimated Ship Date

N/A {N/A}

Inventory Note

N/A Need additional stock? Call (877) 920-1876 or email

Thread Size

N/A 1/4-28

Head Type

N/A Protruding Shear

Thread Type

N/A 1/4-28-UNJF-3A Modified

Tensile Strength

N/A 160000 to 180000 psi

Shear Strength

N/A 95000 psi

Maximum Grip

N/A 5/16 in

Nominal Diameter

N/A 9/32 in

Diameter A

N/A 0.387 in0.412 in

Reference B

N/A 0.395 in

Diameter D

N/A 0.2797 in0.2807 in

Diameter TD

N/A 0.2410 in0.2440 in

Reference G

N/A 0.03 in

Dimension H

N/A 0.059 in0.069 in

Minimum Double Shear Load

N/A 11800 lb

Minimum Tension Load

N/A 4300 lb

Radius R

N/A 0.015 in0.025 in

Maximum Grip + B Tolerance

N/A ±0.010 in

Maximum Grip Tolerance

N/A ±0.005 in

Weight

N/A 0.001 lb

Manufacturer

N/A Hi-Lok

Alternate Part Number

N/A BACB30KK8-5

NSN

N/A 5306-00-494-7990

NIIN

N/A 00-494-7990

Part # Unpunctuated

N/A HL21885

Minimum Order Note

N/A Minimum order is 10. Must order in increments of 1.

Note

N/A Our inventory is extensive. The majority of the items listed in our catalog are stocked and available for immediate shipment.

California Residents

N/A Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.