HEMLOK® Fastening System
High shear strength, large blind-side footprint for use in thin sheet or brittle
material applications. Available in steel and aluminum.
Benefits:
- Internal Locking Feature
Mechanical lock gives positive mandrel position.
- Superior Shear and Tensile
Solid mandrel retained in shear plane.
- Large Blind-Side Footprint
For thin sheet or brittle materials.
LOW PROFILE HEAD
| Aluminum |
Steel |
Grip Range |
L Length |
| 2241-0812 |
2221-0812 |
.068-.138 |
.488-.539 |
| |
|
1.5-3.5 |
12.39-13.70 |
| 2241-0813 |
2221-0813 |
.110-.189 |
.539-.590 |
| |
|
2.8-4.8 |
13.68-14.99 |
| 2241-0814 |
2221-0814 |
.132-.211 |
.561-.612 |
| |
|
3.35-5.35 |
14.24-15.55 |
| 2241-0815 |
2221-0815 |
.189-.268 |
.618-.669 |
| |
|
4.8-6.8 |
15.69-17.00 |
| 2241-0817 |
2221-0817 |
.268-.346 |
.696-.747 |
| |
|
6.8-8.8 |
17.67-19.69 |
| 2241-0818 |
2221-0818 |
.295-.374 |
.724-.775 |
| |
|
7.6-9.5 |
18.38-19.69 |
| 2241-0819 |
2221-0819 |
.346-.425 |
.775-.826 |
| |
|
8.8-10.0 |
19.68-20.99 |
| 2241-0821 |
2221-0821 |
.425-.504 |
.854-.905 |
| |
|
10.8-12.8 |
21.69-22.99 |
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Typical Shear and Tensile Data for
Hemlok in lbs. (Newtons)
| Rivet Diameter |
2221 Series |
2241 Series |
| Shear |
Tensile |
Shear |
Tensile |
| 1/4" (6.36mm) |
3820 (17000) |
2090 (9300) |
1500 (6670) |
700 (3110) |
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MATERIALS & FINISH
| Series |
Head Style |
Material |
Finish |
| Body |
Mandrel |
Body |
Mandrel |
| 2221 |
Protruding |
Medium Carbon Steel |
Medium Carbon Steel |
Zinc & Yellow Chromate |
Zinc & Yellow Chromate |
| 2241 |
Protruding |
Aluminum |
Aluminum |
Plain |
Plain |
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