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C6L Lockbolt Fastener

C6L Lockbolt Fastener

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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 SizeABCBCBC
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
 MaterialFinish
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

CollarPartCollarFGHJK
TypeNumberDiameterDiameterDiameterLengthDimensionDiameter
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
 MaterialFinish
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 SteelCRES (U)
 Collar:LC-I or 3LC-I2LC-F or 3LC-F2LC-R or 3LC-R2LC-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