E-mail
Our Products
Our Philosophy
Services
Home
About Us
Pilot Bore Sprockets
Join our mailing list
Standard Range  Carbon Steel C45 E Uni En10083-1 British Standard
None Standard Requirement / Extended Manufacturing Range
Through our UK specialised manufacturing unit (for 1 off to small volume non standard sizes) and from our European volume manufacturing units, we can supply and quote for any requirement
outside the standard range, enabling us to offer a truly one stop source for any & all your Sprocket requirements
 
To send us your enquiry please use the E-mail link on this page 
These Ranges of Pilot bore Sprockets are for use with Roller Chains comforming to ISO606R -Din 8187 (BS) & Din 8188 (ASA) & have diamensions based on the Metric European series, which is now common throughout europe.
They are available in various formats: Carbon Steel, Carbon Steel with Induction Harden Teeth & Grade 304 Stainless Steel!
 
Design Features:
1- Extended range of tooth sizes!
2- Some sizes have Weld on boss to reduce cost!
3- Material C45 E suitable for Flame Hardening!
 
 
03
(5mm)
04
(6mm)
05
(8mm)
06B
(3/8)
081
(1/2x1/8)
083
(1/2x3/16)
08B
(1/2x5/16)
10B
(5/8)
12B
(3/4)
16B
(1)
20B
(1-1/4)
24B
(1-1/2)
28B
(1-3/4)
32B
(2)
 
Std.
Tooth
Sizes
Std.
Tooth
Sizes
Std.
Tooth
Sizes
Std.
Tooth
Sizes
Std.
Tooth
Sizes
Std.
Tooth
Sizes
Std.
Tooth
Sizes
Std.
Tooth
Sizes
Std.
Tooth
Sizes
Std.
Tooth
Sizes
Std.
Tooth
Sizes
Std.
Tooth
Sizes
Std.
Tooth
Sizes
Std.
Tooth
Sizes
  
S
 I
M
P
 I
E
X
 
  
8 to 40
inc.
45,48
50&57
8 to 40
inc.
42,45
48,50
51,53
57,60
65&76
8 to 40
inc.
42,43
44,45
46,48
50,51
52,54
56,57
60,65
70,76
80,85
90,95
100,114
120&125
8 to 65
inc.
68,70
76,75
76,80
85,90
95,100
114,120
&125
8 to 40
inc
 
8 to 40
inc.
42&45
8 to 60
inc.
62 to 70
inc.
72,74
75,76
80,85
90,95
100,114
&125
 
8 to 58
inc.
60,62
65,68
70,72
76,80
85,90
95,114
&120
8 to 57
inc.
59,60
61,62
64,65
69,70
72,75
76,95
&114
8 to 53
inc.
55,56
57,59
60,65
75,76
95&114
 
8 to 43
inc.
45,46
48,50
57,60
65,76
&95
 
8 to 40
inc.
42,45
46,48
50,57
58,60
76&95
8 to 40
inc.
45,50
57,60
&76
8 to 30
inc.
32,35
38,40
45,50
57,60
&76
  
D
U
P
L
E
X
  
 
    
8 to 40
inc.
 
8 to 57
inc.
60,64
65,69
70,72
76,80
85,90
95,100
110&114
    
8 to 60
inc.
62,64
65,68
70,72
75,76
80,85
95&114
8 to 40
inc.
42 to 48
inc.
50,51
52,54
55,56
57,58
60,65
72,76
&95
8 to 48
inc.
50,51
52,56
57,60
70,72
76,80
&95
 
8 to 40
inc.
42,44
45,46
48,50
51,57
60,70
76,80
85,90
95&114
8 to 32
inc.
34,35
36,38
40,45
46,50
57,60
65&76
 
 
8 to 38
inc.
40,45
46,50
57&76
8 to 26
inc.
28,30
35,38
49,45
50,57
&76
8 to 26
inc.
28,30
35,38
40,45
50,57
&76 
  
T
R
 I
P
L
E
X
      
 
 
 8 to 40
inc.
45,49
50,57
60,76
&95
    
8 to 40
inc.
41,45
46,48
50,57
60,64
70&76
8 to 40
inc.
42,45
46,50
57,60
65&76
8 to 40
inc.
42,45
50,57
60,65
72,&76
 
8 to 40
inc.
45,50
57&76
8 to 40
inc.
45,50
57&76
8 to 30
inc.
32,33
34,35
36,38
40,50
57&76
8 to 28
inc.
30,35
38,40
45,50
57&,76
8 to 28
inc.
30,35
38,45
50,57
&76 
  
Services available:
1- Reworking (Bore & Keyway)!
2- Modfications to drawing!
3- Flame Hardening!
4- Plating!
Chain references quoted are ISO606R/DIN 8187
Lakehurst 
 
ANSI
25 (1/4")
Std.
Tooth
Range
ANSI
35 (3/8")
Std.
Tooth
Range
ANSI
40 (1/2") 
Std.
Tooth
Range
ANSI
41 (1/2")
Std.
Tooth
Range
ANSI
50 (5/8")
Std.
Tooth
Range
ANSI
60 (3/4")
Std.
Tooth
Range
ANSI
80 (1")
Std.
Tooth
Range
ANSI
100 (1-1/4")
Std.
Tooth
Range
ANSI
120 (1-1/2")
Std.
Tooth
Range
ANSI
140 (1-3/4")
Std.
Tooth
Range
ANSI
160 (2")
Std.
Tooth
Range
Simplex
 
8 to 40t
inc.
10 to 38t
inc. 40
10 to 30t
inc, 32,35
36,37,38
&40
8 to 40t
inc. 45
8 to 40t
inc. 42,45
10 to 28t
inc. 30
8 to 28t
inc, 30
32,35,36
8 to 40t
inc. 
8 to 15t
inc. 17,
18,19,21
27,30
8,11,12
14,15,17
18,19,21
 
8 to 27t
inc. 29
31,33,36
38,40
Duplex
 
  11, 13
to 28t
inc. 31
34,35,38
39
10,11,13
to 31t inc.
33,34,35
37,38
  
9,12 to
27t inc.
10 to 25t
inc.
10, 12 to
21t inc.
12 to 17t
inc
11 to 15t
inc.
  
8 to 26t
inc, 28
30,35,38
40
Triplex 
  
8,13,18
19,21,25
26
10,12 to
28t inc.
33,38,40
  
12 to 28t
inc.
10,12 to
25t inc.
10,12 to
25t inc.
        
 We can offer a complete range of tooth sizes through our Manufacturing Service!
BS
06B (3/8")
Simple
Tooth
Range
BS
08B (1/2")
Simple
Tooth
Range
BS
10B (5/8")
Simple
Tooth
Range
BS
12B (3/4")
Simple
Tooth
Range
BS
16B (1")
Simple
Tooth
Range
12 to 25T
inc. 27,30
12 to 25T
inc. 27,30
12 to 25T
inc. 27,30
12 to 25T
inc. 27,30
11 to 25T
inc. 27,30 
 Chain References quoted are ISO606R/Din8187
 
Standard Range  
 British Standard Simplex Pilot bore Sprockets with Induction Harden Teeth
Design Features
1- Material C45 E Uni EN 10083-1 with Induction Harden Teeth to HRC45/53!
Services available:
1- Reworking (Bore & Keyway)! (We also have a standard range pre-machined, see our Shaft Ready sprocket page for details)
2- Modfications to drawing!
3- Plating!
Standard Range      Carbon Steel C45
American Standard
Services available:
1- Reworking (Bore & Keyway)!
2- Modfications to drawing!
3- Flame Hardening!
4- Plating!
Standard Range
British Standard Simplex Pilot bore Sprockets in Grade 304 Stainless Steel 
BS
06B (3/8")
Simple
Tooth
Range
Grade 304
BS
08B (1/2")
Simple
Tooth
Range
Grade 304
BS
10B (5/8")
Simple
Tooth
Range
Grade 304
BS
12B (3/4")
Simple
Tooth
Range
Grade304
BS
16B (1")
Simple
Tooth
Range
Grade 304
12 to 25t
inc. 30t
12 to 27t
inc. 30,38
& 40t
9,11 to 26t
inc. 30t
11 to 25t
inc. 27,30t
12 to 25t
inc. 30t
Design Features:
1)- Material Grade 304! (food quality)
Services available:
1)- Boring & Keywaying!
2)- Modifications to drawing!
None Standard Requirement / Extended Manufacturing Range
Through our UK specialised manufacturing unit (for 1 off to small volume non standard sizes) and from our European volume manufacturing units, we can supply and quote for any requirement
outside the standard range, enabling us to offer a truly one stop source for any & all your Stainless Steel Sprocket requirements
 
None Standard Requirement / Extended Manufacturing Range
Through our UK specialised manufacturing unit (for 1 off to small volume non standard sizes) and from our European volume manufacturing units, we can supply and quote for any requirement
outside the standard range, enabling us to offer a truly one stop source for any & all your ANSI Sprocket requirements