Howmet Fastening Systems
Howmet Fastening Systems
Phone: Sales +1 800 992 4444
Technical Support +1 310 784 6409
Email: HFSTechSupport@howmet.com
Website: www.hfs.howmet.com
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Unit of Measure

Specifications

Part Type

 N/A Stud Assembly

Series

 N/A 26S99

Head Style

 N/A Knurled

Stud Material

 N/A CRES per ASTM A580

Cup Material

 N/A CRES per ASTM A240

Spring & Cross Pin Material

 N/A CRES per ASTM A313

Finish

 N/A Passivate per AMS A2700

Tee Knob Color

 N/A Black

Dash Number

 N/A 12.000

L

 N/A 0.841-0.856 in

S

 N/A 1.020 in

Notes

Notes

 N/A Unless otherwise specified
2. Cross pin must withstand a pushout force of 100 lbs and retain symmetry about centerline of stud within ±0.02.
For 16 and longer use:
L MIN = 0.481 + (0.030 x Dash Number)
L MAX = L MIN + 0.015
S = 0.66 + (0.030 x Dash Number)