LB - High-Strenght Lockbolt Pins

TF™ lockbolt pins are ideal for use in mining, construction and railroad industries, as well as other heavy-duty applications where consistent, uniform clamp force is required. Totally resistant to vibration and stronger and more dependable than ordinary nuts and bolts or welded joints. TF™ lockbolts are available in diameters ranging from 1/2” to 1-3/8”.
LB - High-Strenght Lockbolt Pins

All dimensions are in millimeters

Part No. Diameter Ref. A D Hole Ø(max)
Round Head
B C
Truss Head
B C
Csk. Head
B C
LB[ ]S-16[ ] (1/2”) 12.5 – 13.1 74.2 14.3
23.4 7.9
23.4 6.0
23.0 6.4
LB[ ]S-20[ ] (5/8”) 15.7 – 16.3 86.5 17.5
29.0 9.9
29.0 7.1
29.4 7.9
LB[ ]S-24[ ] (3/4”) 18.8 – 19.5 99.2 20.6
34.9 11.9
34.9 8.7
34.9 9.5
LB[ ]S-28[ ] (7/8”) 22.0 – 22.7 106.4 23.8
40.5 13.9
40.5 10.3
40.5 11.1
LB[ ]S-32[ ] (1”) 25.1 – 26.0 123.8 27.0
46.4 15.5
46.4 11.9
46.8 12.7
LB[ ]S-36[ ] (1-1/8”) 27.9 – 29.2 128.6 30.2
52.4 17.5
   
   
LB[ ]S-44[ *] (1-3/8”) 34.3 – 35.6 176.5 38.1
64.3 21.6
   
63.8 17.0

GRIP DATA & DIMENSIONS

Grip No. Grip Range
04 6.4 – 12.7
08 12.7 – 19.1
12 19.1 – 25.4
16 25.4 – 31.8
20 31.8 – 38.1
24 38.1 – 44.5
28 44.5 – 50.8
32 50.8 – 57.2
36 57.2 – 63.5
40 63.5 – 69.9
44 69.9 – 76.2
48 76.2 – 82.6
52 82.6 – 88.9
Grip No. Grip Range
56 88.9 – 95.3
60 95.3 – 101.6
64 101.6 – 108.0
68 108.0 – 114.3
72 114.3 – 120.7
76 120.7 – 127.0
80 127.0 – 133.4
84 133.4 – 139.7
88 139.7 – 146.1
92 146.1 – 152.4
96 152.4 – 158.8
100 158.8 – 165.1
104 165.1 – 171.5
STRENGTH VALUES (KG-F)

Diam.Ref. Shear Clamp Tensile
16 6,532 5,466 7,734
20 10,206 8,709 12,293
24 14,697 12,883 18,190
28 19,687 17,804 25,153
32 25,629 23,361 32,978
36 31,526 26,514 37,628
44 45,362 38,557 58,517
RECOMMENDED HOLE SIZES

Lockbolt Dia. Max. Hole
1/2″ 14.3mm
5/8″ 17.5mm
3/4″ 20.6mm
7/8″ 23.8mm
1″ 27.0mm
1-1/8″ 30.1mm
80 127.0 – 133.4

* Grip range starts from 102.0 mm up to 870.0 mm max. Contact TFI for grip range details

ORDERING EXAMPLE:
LBRS-1604 = Round Head, 1/2” Diameter with grip range of 6.4 – 12.7 mm

  • Material:
  • Carbon Steel

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