248-478-2150
248-478-2150
facebook twitter
Rivets catalog
buy rivets online

Newsletter Sign Up

Lockbolts »

C6L Lockbolt Fastener

C6L Lockbolt Fastener

buy rivetsonline

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