Titanium GP™ Stump-Type Lockbolts : Mechanical Properties

Mechanical Properties

GP® Stump Lockbolts

Data taken from Huck Procurement Specification C2011


GPS Lockbolt Fasteners With
2TC-C or 2TCC-C
Aluminum Collars

Minimum Ultimate
Tensile (2)

Minimum Retained
Clamp Force (2)

5/32 (05)

2180 lbs

1090 lbs

3/16 (06)

2750 lbs

1375 lbs

1/4 (08)

5000 lbs

2500 lbs

5/16 (10)

8300 lbs

4650 lbs

3/8 (12)

12700 lbs

6350 lbs



GPS Lockbolt Fasteners With
2TC-M Monel Collars

Minimum Ultimate
Tensile (2)

Minimum Retained
Clamp Force (2)

3/16 (06)

2750 lbs

1375 lbs

1/4 (08)

5000 lbs

2500 lbs

5/16 (10)

8300 lbs

4650 lbs

3/8 (12)

12700 lbs

6350 lbs



GPS Lockbolt
Fasteners

Minimum Double
Shear Strength (1)

5/32 (05)

4010 lbs

3/16 (06)

5380 lbs

1/4 (08)

9300 lbs

5/16 (10)

14600 lbs

3/8 (12)

21000 lbs



(1) Test at grip lengths 2 times the diameter and longer.
(2) Test at grip lengths 1 1/2 times the diameter and longer.



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How to Order [33KB]


Related Information


Engineering Standards


Technical Information

Contact Information
Americas & Asia/Pacific
Customer Support
Alcoa Fastening Systems Aerospace
800.992.4444
805-527-0900

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Technical Support
Alcoa Fastening Systems Aerospace
310.784.6409
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Europe Customer / Technical Support
Alcoa Fastening Systems Aerospace
+49 8251 8757-0
+49 8251 1652

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