Howmet Fastening Systems
Howmet Fastening Systems
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THREAD: AS8879
MATERIAL: Carbon or alloy steel, heat treated.
FINISH: Cadmium plate to fed. spec. AMS-QQ-P-416, Type I, Class 2, plus Kaylube molybdenum disulfide dry lubricant coated per AS5272 Type I.
PROCUREMENT SPEC: NASM25027.
TEMPERATURE: 450°F.
APPLICATION: For use with materials such as aluminium alloys, brass, copper and mild steel.
MK7200 is designed to be interchangeable with K7000 type clinch nuts.
INSTALLATION DATA: Use Kaylock tool number KT7201 or KT7203.
Unit of Measure

Specifications

A - MAX

 N/A 0.074

B - MAX

 N/A 0.311

C - MIN

 N/A 0.250

H - MAX

 N/A 0.190

J - MIN

 N/A 0.050

N - REF

 N/A 0.296

T - REF

 N/A 0.036

W ± .010

 N/A 0.406

Recommended Installation Hole Dia.
+.004
-.001

 N/A 0.312

Approx. Weight (LBS/100)

 N/A 0.240

Thread

 N/A 0.2500-28 UNJF-3B