Services

Request Information Add to CAD Cart

Designed for high load applications. Countersunk feature allow fastener to be installed flush with sheet surface.
Both UNC and UNF threads available in No. 10 and larger thread sizes. Check for availability of other grip ranges and designs.

Unit of Measure

Thread Size	N/A 1/4-20
Grip Range	N/A .391 - .451 in
Identification Mark	N/A 5 Rad.
B Ref.	N/A .529 in
C Max.	N/A .089 in
øD + .000 - .004	N/A .332 in
E Max.	N/A .382 in
F + .005 -.000	N/A .054 in
J Ref.	N/A .760 in
K Ref.	N/A .445 in
P - Keyway Width + .003 -.000	N/A .062 in
H - Keyway Height	N/A .056 - .058 in
Install Drill Size Ref.	N/A Q
Install Hole Size Min.	N/A .332 in
Install Hole Size Max.	N/A .338 in
Pull Up Factor	N/A .095 in
Weight per 1000	N/A 5.9 lb
Fastening	N/A Installed
Thread Specification	N/A 3B per ASME B1.1
Standard Material	N/A 6053 Aluminum or 6061 Aluminum
Standard Finish	N/A Anodized in accordance with MIL-A-8625, Type II, Class 1 plus lubricant
CAD Supplier	N/A PennEngineering® (Atlas®)

Email ^*
First Name ^*
Last Name ^*
Company ^*
Country ^*
Zip/Postal Code ^*
Phone Number ^*
City ^*
User Information	How is your information being used? View Privacy Policy
I agree to the terms of the Privacy Policy ^*

Thread Size