Case hardness
4B150NA
4B142HA
4B142NA
4B125NA
4B102NA Min breaking load (kN/lb)
180
200
300
450
300
Rockwell C57-C62
Rockwell C57-C62
Rockwell C57-C62
Rockwell C57-C62
Rockwell C57-C62
0.5
0.6
0.7
0.7
0.7
Weight per link (kg)
0.38
0.70
1.08
1.76
1.20
Case depth (mm) P (mm)
102
125
142
142
150
H (mm)
36
35
50
50
49
W (mm)
28
36
42
62
36
M (mm)
12
15
18.7
28.5
15
D (mm)
14
16
25
25
25
T (mm)
7
10
12
16.5
13
Bolt ‘n’ Go Compatible*
✔
●
✔
✔
●
Additional info *Can use bolt-on flights instead of welding flights
Case hardness
450 kN
300kN
Rockwell C57-C62
Rockwell C57-C62
4B175DNA
4B142TNA
300 kN Rockwell C57-C62
4B142THA
Min breaking load (kN/lb)
4B142DHA
Chain Links - Double & Triple
4B142DNA
Drop forged chain & components
Chain Link (Standard)
450 kN
520 kN
Rockwell C57-C62 Rockwell C57-C62
Case depth
0.7 mm
0.7 mm
0.7 mm
0.7 mm
Weight per link (kg)
1.37 kg
2.00 kg
1.67 kg
2.32 kg
1.0 mm 3.17 kg
P (mm)
142 mm
142 mm
142 mm
142 mm
175 mm
H (mm)
50 mm
50 mm
50 mm
49 mm
60 mm
W (mm)
42 mm
62 mm
42 mm
62 mm
72 mm
M (mm)
18.7 mm
28 mm
18.7 mm
28.5 mm
22 mm
D (mm)
25 mm
25 mm
25 mm
25 mm
30 mm
T ( mm)
12 mm
16 mm
12 mm
16 mm
16 mm
Pins Flights
all models 57 to 60 RC * We offer many variants of pins for each chain. Please consult our brochure for more information Square bar flight
Flat bar flight
Paddle flight
U flight
Closed U flight