HL218-8-4

Hi-Lok™ Rivet Pin

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Description:

protruding shear head - oversized for hl18 - alloy steel cadmium plated

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HL218-8-4 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.395 inches minimum
Fastener Length:
0.645 inches nominal
Head Style:
Flat chamfer
Head Diameter:
0.387 inches minimum and 0.412 inches maximum
Head Height:
0.059 inches minimum and 0.069 inches maximum
Shoulder Diameter:
0.279 inches minimum first shoulder and 0.280 inches maximum first shoulder
Shoulder Length:
0.740 inches minimum first shoulder and 0.760 inches maximum first shoulder
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Hardness Rating:
31.0 rockwell c nominal overall
Shoulder Shape:
Round first shoulder
Material:
Steel comp 4130 overall or steel comp 8630 overall or steel comp 8735 overall or steel comp 8740 overall
Material Specification:
Mil-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
Surface Treatment:
Cadmium overall
Thread Series Designator:
Unjf

Additional Information

SKU / Model: HL21884
NSN: 5306-00-401-7978
FSC: Bolts / 5306
Product Series: HL218
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
HL218-8-4_Military-Fasteners-com.pdf
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Customer Reviews

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Military Fasteners is an exceptional company in terms of how they run their business. Very prompt and responsive to questions, concerns, quotes, and all other forms of inquiry. Brittany Cornish supports many of the business transactions we perform with Military Fasteners and has made working with them an absolute pleasure. I would highly recommend them to anyone seeking mil-spec hardware.

5.0

Another good experience with Military Fasteners, and our Sales Rep, Dan Hunter. We needed hardware for an older aircraft model, and Dan's expertise was exceptional. He quickly identified fasteners, even for parts with unclear descriptions, and provided invaluable technical assistance. The supporting data was spot-on, verified by our technicians. Despite finding slightly lower prices elsewhere, the unmatched service and expertise from Military Fasteners, particularly Dan, make them our preferred choice. Our order was delivered ahead of schedule. Highly recommend MilFast for top-notch service and technical support!

5.0

Love working with this company. Customer service is always so kind and helpful.

5.0

Well I used Military Fasteners for this order because they are close to me in florida.

4.0