C6L
Lockbolt Fastener
Jay Cee Sales & Rivet has a large in-stock supply of Vibration-resistant C6L huck fasteners install with consistency and control. They resist loosening due to vibration and provide a high uniform clamp force. This is an excellent fastener for a wide range of structural applications.
PIN DIMENSIONS
| | | Maximum | | Brazier Head (B) | Truss Head (T) | Flush Head (90) |
|---|
| Dia. | (No.) | Hole Size | A | B | C | B | C | B | C |
|---|
| 3/16 |
(6) |
.203 |
.195-.191 |
.394-.356 |
.125-.113 |
.469-.406 |
.088-.078 |
.354-.328 |
.085-.075 |
| 1/4 |
(8) |
.266 |
.259-.254 |
.525-.475 |
.152-.136 |
.594-.531 |
.115-.103 |
.473-.437 |
.113-.101 |
| 5/16 |
(10) |
.328 |
.322-.317 |
.656-.594 |
.201-.181 |
.797-.703 |
.141-.127 |
.589-.547 |
.141-.127 |
| 3/8 |
(12) |
.391 |
.385-.380 |
.787-.713 |
.248-.223 |
.922-.828 |
.168-.152 |
.709-.656 |
.168-.152 |
| Material and Finish |
|---|
| | Material | Finish |
|---|
| Pin |
Carbon Steel (R) |
Carbon Steel—none (plain black) |
| |
2024 Aluminum Alloy (C) |
2024 Aluminum Alloy—Anodize per MIL-A-8625 or chemical surface |
| |
6061 Aluminum Alloy (F) |
treatment per MIL-C-5541 (Manufacturer's option) |
| |
CRES Steel (U) |
6061 Aluminum Alloy—None |
| |
|
CRES Steel—None |
COLLAR DIMENSIONS
| Collar | Part | Collar | F | G | H | J | K |
|---|
| Type | Number | Diameter | Diameter | Diameter | Length | Dimension | Diameter |
|---|
| Standard |
2LC-R, 2LC-F, |
3/16 |
.187-.196 |
.311-.304 |
.220-.260 |
|
|
| |
LC-I, 2LC-2CU |
1/4 |
.256-.265 |
.409-.402 |
.320-.290 |
|
|
| |
|
5/16 |
.304-.312 |
.494-.485 |
.380-.350 |
|
|
| |
|
3/8 |
.375-.385 |
.600-.590 |
.460-.430 |
|
|
| Flange |
3LC-2R, 3LC-F, |
3/16 |
.187-.196 |
.311-.304 |
.280-.250 |
.062-.031 |
.391-.359 |
| |
3LC-I, 3LC-2CU |
1/4 |
.256-.267 |
.409-.402 |
.379-.349 |
.078-.047 |
.516-.484 |
| |
|
5/16 |
.304-.312 |
.507-.498 |
.426-.394 |
.094-.062 |
.641-.609 |
| |
|
3/8 |
.378-.390 |
.610-.599 |
.532-.502 |
.125-.062 |
.781-.719 |
| Low Profile |
8LC-2R, 8LC-F, |
3/16 |
.187-.196 |
.311-.304 |
.162-.132 |
.094 |
|
| |
8LC-I, 8LC-2CU |
1/4 |
.256-.265 |
.409-.402 |
.202-.172 |
.125 |
|
| |
|
5/16 |
.304-.312 |
.494-.485 |
.255-.225 |
.125 |
|
| |
|
3/8 |
.375-.385 |
.600-.590 |
.295-.310 |
.156 |
|
Note: When using 3LC collars, add "J" dimension to thickness of material being fastened to determine grip number.
Note: When using 8LC collars, subtract "J" dimension from thickness of material being fastened to determine grip number.
Note: Use collars and pins together as shown in "Values" tables, or contact HUCK.
| Material and Finish |
|---|
| | Material | Finish |
|---|
| Collar |
Low Carbon Steel (R) or (2R) |
Carbon Steel—Zinc plated, Wax Film Lubricated |
| |
6061 Aluminum Alloy—Heat treated (F) |
Aluminum Alloy—None, Wax Film Lubricated |
| |
6061 Aluminum Alloy (I) |
CRES Steel—None, Wax Film Lubricated |
| |
CRES Steel (CU) |
Wax Film Lubricated |
TENSILE STRENGTH DATA
C6L® Installed Values 1 in Nominal Grip (lbs.)
| | Pin: | 6061Aluminum (F) | 2024Aluminum (C) | Carbon Steel | CRES (U) |
|---|
| | Collar: | LC-I or 3LC-I | 2LC-F or 3LC-F | 2LC-R or 3LC-R | 2LC-2CU or 3LC-2CU |
|---|
| 3/16 |
Shear |
775 |
1050 |
1725 |
2000 |
| |
Tensile |
530 |
1000 |
1650 |
1455 |
| |
Clamp |
350 |
550 |
1025 |
1025 |
| 1/4 |
Shear |
1375 |
1875 |
3050 |
3550 |
| |
Tensile |
975 |
1800 |
3000 |
3750 |
| |
Clamp |
620 |
950 |
1805 |
1805 |
| 5/16 |
Shear |
2125 |
2925 |
4725 |
5525 |
| |
Tensile |
1550 |
2850 |
4600 |
4250 |
| |
Clamp |
965 |
1500 |
2810 |
2810 |
| 3/8 |
Shear |
3050 |
4200 |
6825 |
7950 |
| |
Tensile |
2400 |
4200 |
6500 |
6100 |
| |
Clamp |
1380 |
2200 |
4020 |
4020 |
1 Minimum installed values (pounds) in nominal grip
