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High Quality Class 8.8 Round Head Tail Lock Huck Bolts

Bobtail Huck Bolts
Bobtail Huck Bolts
Bobtail Huck Bolts
Bobtail Huck Bolts
Bobtail Huck Bolts
Bobtail Huck Bolts

High Quality Class 8.8 Round Head Tail Lock Huck Bolts

Featuring a distinctive pintail-less design, Tail Lock Huck Bolt ensures exceptional performance and dependability. This innovative design enhances fatigue strength by up to 5 times when compared to traditional nuts and bolts. Moreover, it offers unparalleled installation speed and sets industry standards for vibration resistance.

  • Payment:

    TT , Credit 30/60/90 days
  • Product Origin:

    Wuxi, China( near to Port Shanghai)
  • Color:

    Plain, Zinc Plated, HDG, Dacromet
  • Min order:

    1000pcs
  • Lead Time:

    7-35days

High Quality Class 8.8 Round Head Tail Lock Huck Bolts

 

Designed to address a variety of assembly needs, Tail Lock huck Bolt provides secure and noiseless installation technology without the use of pintails. It is available in various sizes and grades, offering 5 times the fatigue strength compared to traditional nuts and bolts. Additionally, its installation speed is unmatched, often taking less than 2 seconds per fastener.

The exceptional no-break-off pintail of this product provides the highest level of corrosion resistance compared to others in its class. Additionally, its installation can be easily carried out using lightweight and ergonomic tools, thanks to the advanced low-swage technology employed. Considering the expenses associated with fasteners, installation, and inspection labor, choosing tail lock huck bolts often results in a more cost-effective overall installation.

 

Advantages

  • Quick installation. 
  • High corrosion resistance.
  • Quick visual inspection is all that’s needed for a quality-assured joint.
  • Vibration resistance.

 

Head Types

  • Head Type:
  • Round Head
  • Truss Head
  • Flanged Head
  • 90° Head
  • 30 SS Cap Head

 

Bobtail Huck Bolts

 
Standard Head Style and Strength Levels
DIA. ROUND FLANGED
1/2" Grade 5 Grade 8
5/8" Grade 5 Grade 8
3/4" Grade 5 Grade 8
7/8" Grade 5 Grade 8 Upon Request
1" Grade 8 Grade 5
12 mm Class 8.8 Upon Request Class 10.9
14 mm Class 8.8 Class 10.9, Class 8.8
16 mm Class 8.8 Upon Request Class 10.9
20 mm Clas s8.8 Upon Request Class 10.9
 
Bolt Dimensions
DIA. A
MAX
ROUND HEAD FLANGED HEAD STAINLESS STEEL CAP TRUSS / 90º / 30
B C B C B C B C
1/2" 0.5 .953-.861 .297-.335 Upon Request
5/8" 0.625 1.086-1.196 .367-.432 1.270-1.330 .448-.499 1.270-1.330 .300-.340 Upon Request
3/4" 0.75 1.326-1.440 .455-.530 1.520-1.600 .550-.600
7/8" 0.875 1.540-1.665 .525-.585
1" 1 1.750-2.000 .590-.650
12mm 12 24.1-25.4 8.9-9.6
14mm 14 30.0 max 11.5 max
16mm 16 32.3-33.8 11.4-12.2
20mm 20 40.3-42.4 15.0-16.0

 

Blind Huck Bolts

Grip Tables (inch)

GRIP GRIP RANGE 1/2" 5/8" 3/4" 7/8" 1"
D E D E D E D E D E
4 .25-.62 0.15 1.44 0.15 1.601 0.16 1.85 0.25 2.056 0.25 2.26
8 .50-.87 0.15 1.69 0.15 1.851 0.16 2.1 0.25 2.306 0.25 2.51
12 .75-1.12 0.15 1.94 0.15 2.101 0.16 2.35 0.25 2.556 0.25 2.76
16 1.00-1.37 0.15 2.19 0.15 2.351 0.16 2.6 0.25 2.806 0.25 3.01
20 1.25-1.62 0.15 2.44 0.15 2.601 0.16 2.85 0.25 3.056 0.25 3.26
24 1.50-1.87 0.15 2.69 0.15 2.851 0.16 3.1 0.25 3.306 0.25 3.51
28 1.75-2.12 0.15 2.94 0.15 3.101 0.16 3.35 0.25 3.556 0.25 3.76
32 2.00-2.37 0.15 3.19 0.15 3.351 0.16 3.6 0.5 3.806 0.5 4.01
36 2.25-2.62 0.15 3.44 0.15 3.601 0.16 3.85 0.5 4.056 0.5 4.26
40 2.50-2.87 0.15 3.69 0.15 3.851 0.375 4.1 0.5 4.306 0.5 4.51
44 2.75-3.12 0.15 3.94 0.375 4.101 0.375 4.35 0.5 4.556 0.5 4.76
48 3.00-3.37 0.375 4.19 0.375 4.351 0.375 4.6 0.5 4.806 0.5 5.01
52 3.25-3.62 0.375 4.44 0.375 4.85 0.5 5.056 0.5 5.26
56 3.50-3.87 0.375 4.69 0.375 5.1 0.5 5.306 0.5 5.51
60 3.75-4.12 0.375 4.94 0.375 5.35 0.5 5.556 0.5 5.76
64 4.00-4.37 0.375 5.6 0.5 5.806 0.5 6.01
68 4.25-4.62 0.375 5.85 0.5 6.056 0.5 6.26
72 4.50-4.87 0.375 6.1 0.5 6.306 0.5 6.51

 

Collar Dimensions (inch)

DIA. F G H J
GRADE5 GRADE8
1/2" 1.010-1.080 0.728-0.748 0.749-0.759 0.762-0.772 0.506-0.518
5/8" 1.270-1.330 0.912-0.932 .0.935-0.945 0.953-0.963 0.633-0.645
3/4" 1.520-1.600 1.095-1.115 1.132-1.142 1.145-1.155 0.760-0.774
7/8" 1.775-1.865 1.280-1.300 1.310-1.325 0.885-0.900
1" 1.930-2.010 1.460-1.490 1.500-1.515 1.525-1.540 1.010-1.030

 

Grip Tables (mm)

12MM 14MM 16MM 20MM
D E D E D E D E
3.8 34.2 3.8 37.1 3.8 40.1 3.8 45.9
3.8 39.2 3.8 42.1 3.8 45.1 3.8 50.9
3.8 44.2 3.8 47.1 3.8 50.1 3.8 55.1
3.8 49.2 3.8 52.1 3.8 55.1 3.8 60.9
3.8 54.2 3.8 57.1 3.8 60.1 3.8 65.9
3.8 59.2 3.8 62.1 3.8 65.1 3.8 70.9
3.8 64.2 3.8 67.1 3.8 70.1 3.8 75.9
3.8 69.2 3.8 72.1 3.8 75.1 3.8 80.9
3.8 74.2 3.8 77.1 9.5 80.1 3.8 85.9
3.8 79.2 3.8 82.1 9.5 85.1 3.8 90.9
3.8 84.2 3.8 87.1 9.5 90.1 3.8 95.9
3.8 89.2 3.8 92.1 9.5 95.1 9.5 100.9
3.8 94.2 3.8 97.1 9.5 100.1 9.5 105.9
3.8 99.2 9.5 102.1 9.5 105.1 9.5 110.9
9.5 104.2 9.5 107.1 9.5 110.1 9.5 115.9
9.5 115.1 9.5 120.9
9.5 120.1 9.5 125.9
9.5 125.1 9.5 130.9
9.5 130.1 9.5 135.9
9.5 135.1 9.5 140.9
9.5 140.1 9.5 145.9
9.5 145.1 9.5 150.9
9.5 150.1 9.5 155.9
9.5 160.9
9.5 165.9
9.5 170.9

 

Collar Dimensions (mm)

DIA. F G H J
12mm(10.9) 24.1-25.4 17.3-17.7 18.3-18.5 12.1-12.3
14mm(8.8) 28.2-29.6 20.5-21.0 20.9-21.1 14.0-14.3
14mm(10.9) 28.2-29.6 20.5-21.0 21.1-21.5 14.0-14.4
16mm(10.9) 32.3-33.8 23.1-23.7 24.1-24.5 16.0-16.4
20mm(10.9) 40.3-42.1 29.0-29.6 30.2-30.6 20.1-20.5
 
Installed Fastener Values
DIA. HOLE DATA (MAX HOLE) CARBON STEEL PINS
LC-2ROR3LC-2RCOLLARS
(MINLBF)
2024C ALUMINUM PINS
LC-FOR3LC-FCOLLARS
(MINLBF)
6061F ALUMINUM PINS
LC-IOR3LC-ICOLLARS
(MINLBF)
CARBON STEEL PINS
8LC-2RCOLLARS
(MINLBF)
SHEAR CLAMP TENSILE SHEAR CLAMP TENSILE SHEAR CLAMP TENSILE SHEAR CLAMP TENSILE
1/2" 0.563 14400 12050 17050 7300 5900 7850 5300 4400 4900 14400 9650 13650
5/8" 0.688 22500 19200 27100 11400 9200 12300 8300 6900 7670 22500 15360 21700
3/4" 0.813 32400 28400 40100 16400 13300 17700 11900 9950 11040 32400 22720 32100
7/8" 0.938 43400 39250 55450 special order only 43400 31400 44350
1" 1.063 56500 51500 72700 56500 41200 58150
1-1/8" 1.188 69500 58450 82950 69500 46760 66360
1-3/8" 1.5 100000 85000 129500
 
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