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Pilot Bore Timing Pulleys
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 About Us 
Our Standard Range of Pilot Bore Timing Pulleys includes all of the Original Classical Pitches MXL, XL, L, H, XH & XXH as well as the New Metric Pitch sizes  of T2.5, T5, T10, T20, AT5 & AT10 and the HTD Ranges 3M, 5M, 8M 14M & 20M.
We recently been able to add the Power Grip GT  range 3MR & 5MR and Power Grip GT Poly chain Bars GT8M & GT14m (Power Grip GT & Power Grip GT Poly Chain are a registered Trade mark of Gates)
Standard Range  Materials Aluminium 6082 T6 Uni 9006/4
                                                  Carbon Steel C45 E Uni EN 10083-1
                                                  Cast Iron EN-GJL-200 Uni EN 1561  
 
MXL
Pitch
Belt
1/4"
XL
Pitch
Belt
3/8"
XL
Pitch
Belt
3/82"
L
Pitch
Belt
1/2"
L
Pitch
Belt
1/2"
L
Pitch
Belt
1"
H
Pitch
Belt
3/4"
H
Pitch
Belt
1"
H
Pitch
Belt
1-1/2"
H
Pitch
Belt
2"
H
Pitch
Belt
3"
XH
Pitch
Belt
2"
XH
Pitch
Belt
3"
XH
Pitch
Belt
4"
XXH
Pitch
Belt
2"
XXH
Pitch
Belt
3"
XXH
Pitch
Belt
4"
XXH
Pitch
Belt
5"
 
Alum
16,18
20,22
24,28
30,32
36,40
42,44
48,60
& 72
Alum
10to22
inc. 24
26to30
inc. 32
34,35
36
38to49
inc.
52,56
57,58
59,60
68to72
inc.
                              
   
Steel
10to30
inc.
32,34
35,36
38to49
inc.
52,56
5758
59,60
68to72
inc.
 Steel
10to36
inc.
40,41
42,44
45,47
&48
Steel
10to30
inc.
32,33
34,35
36,40
41,42
44,45
47,48
Steel
10to36
inc.
32,33
34,35
36,37
38,39
40,41
42,44
45,47
&48
Steel
14to30
inc.
32,33
34,35
36,38
39,40
& 42
Steel
14to30
inc.
32,33
34,35
36,38
39,40
& 42
Steel
14to30
inc.
32,33
34,35
36,38
40,42
Steel
14to30
inc.
32,33
34,35
36,38
40,42
Steel
14to30
32,33
34,35
36,38
40,42
Steel
18,19
20,21
22,24
25,26
27,28
30,32
34 
Steel
18,19
20,21
22,24
25,26
27,28
30,32
34
Steel
18,19
20,21
22,24
25,26
27,28
30.32
34
Steel
18,19
20,21
22,24
25,26
 
Steel
18,19
20,21
22,24
25,26
 
Steel
18,19
20.21
22,24
25,26
 
Steel
18,19
20,21
22,24
25,26
 
 
      
Cast
Iron
49,50
52,56
57,60
65,66
72,84
90,96
& 120
Cast
Iron
49.50
52,56
57,60
65,66
72,84
90,96
& 120
Cast
Iron
49,50
52,56
57,60
65,66
72,84
90,96
& 120
Cast
Iron
42,44
45,49
& 50
Cast
Iron
44,45
48,49
50,52
58,60
70,72
82,84
94,96
106,116
118,120
150,150
154,156
Cast
Iron
44,45
48,49
50,52
58,60
70,72
82,84
94,96
106,116
118,120
150,152
154,156
Cast
Iron
44,45
48,49
50,52
58,60
70,72
82,84
94,96
106,116
118,120
150,152
154.156
Cast
Iron
44,45
48,49
50,52
58,60
70,72
82,84
94,96
106,116
118,120
150,152
154,156
Cast
Iron
38,40
46,48
50,60
70,72
78,80
82,84
94,96
118
120
Cast
Iron
38,40
46,48
50,60
70,72
78,80
82,84
94,96
118
120
Cast
Iron
38,40
46,48
50.60
70,72
78,80
82,84
94,96
118
120
Cast
Iron
27,30
34,40
48,60
72,90
Cast
Iron
27,30
34,40
48,60
72,90
Cast
Iron
27,30
34,40
38,60
72,90
Cast
Iron
27,30
34,40
38,60
72,80
Classical Pitch Pulley Pilot Bore Range
Material
MXL
Pitch
Bar
XL
Pitch
Bar
L
Pitch
Bar
Aluminium
 
 
10 to 30
inc.
32,34,35
36,38,40
42,45,48
50,60,64
65,70,72
75,90
&110 
  
10 to 30
inc,
32,33,34
35,36,38
39,40,41
42,43,44
45,48,50
60,64,65
70,72
  
10 to 24
27,30 
Steel
 
    
10 to 30
32,33,34
35,36,38
39,40,41
42,43,44
45,48,50
60,64,65
70,72
  
10 to 24
27,30
Classical Pitch Bar Range
Metric Pitch Pilot Bore Pulleys & Bar Ranges  Aluminium
Material
Alum
6082T6
Uni
9006/4
T2.5
Pitch
Belt
6mm
T5
Pitch
Belt
10mm
T5
Pitch
Belt
16mm
T5
Pitch
Belt
25mm
T10
Pitch
Belt
16mm
T10
Pitch
Belt
25mm
T10
Pitch
Belt
32mm
T10
Pitch
Belt
50mm
T20
Pitch
Belt
32mm
T20
Pitch
Belt
50mm
T20
Pitch
Belt
100mm
AT5
Pitch
Belt
10mm
AT5
Pitch
Belt
16mm
AT5
Pitch
Belt
25mm
AT10
Pitch
Belt
16mm
AT10
Pitch
Belt
25mm
AT10
Pitch
Belt
32mm
AT10
Pitch
Belt
50mm
Pulleys
12,14
15,16
18,19
20,22
24.25
26,28
30,32
36,40
48,60
10,12
14,15
16,18
19,20
22,24
25,26
27,28
30.32
36,40
42,44
46,60
10,12
14,15
16,18
19,20
22,24
25,26
27.28
30,32
36,40
42,44
48,60
10,12
14,15
16,18
19,20
22,24
25,26
27,28
30,32
36,40
42,44
48,60
10,12
14,15
16,18
19,20
22,24
25,26
27,28.
30,32
36,40
42,44
48,60
12,14
15,16
18,19
20,22
24,25
26,27
28,30
32,36
40,42
44,48
& 60
18,19
20,22
24,25
26,27
28,30
32,36
40,44
44,60
18,19
20,22
24,25
26,27
28,30
32,36
40,44
48,60
18,20
22,24
25,30
32,36
40,48
60,72
18,20
22,24
25,30
32,36
40,48
60,72
18,20
22,24
25,30
32,36
40,48
60,72
12,14
15,16
18,19
20,22
24,25
26,27
28,30
32,36
40,42
44,48
60,72
12,14
15,16
18,19
20,22
24,25
26,27
28,30
32,36
40,42
44,48
60,72
12,14
15,16
18,19
20,22
24,25
26,27
28,30
32,36
40,42
44,48
60,72
15,16
18,19
20,22
24,25
26,27
28,30
32,36
40,44
48,60
15,16
18,19
20,22
24,25
26,27
28,30
32,36
40,44
48,60
18,19
20,22
24,25
26,27
28,30
32,36
40,44
48,60
18,19
20.22
24,25
26,27
28,30
32,36
40,44
48,60
Bars
lengths
vary
according
to tooth
and Pitch
Size?
 
10
12 to
22inc
24,26
27,28
29,30
32,34
35,36
38,40
42,44
45,48
50,60
65,70
72,90
&100
10 to
30inc.
32,34
35,36
37,38
40,42
44,45
46,48
50,60
72,80
90,100
 
    
10 to
24inc.
26,28
30,32
34,36
38,40
45,48
60,72
            
12 to
30inc.
32,34
35,36
38,40
42,44
45,46
48,50
60,72
    
15 to
24inc.
26,28
30,32
34,36
38,40
45,48
60
      
HTD Pitch Pilot Bore Pulley Range
 
 
 
HTD
3M
Belt
6
mm
HTD
3M
Belt
9
mm
HTD
3M
Belt
15
mm
HTD
5M
Belt
9
mm
HTD
5M
Belt
15
mm
HTD
5M
Belt
25
mm
HTD
8M
Belt
20
mm
HTD
8M
Belt
30
mm
HTD
8M
Belt
50
mm
HTD
8M
Belt
85
mm
HTD
14M
Belt
40
mm
HTD
14M
Belt
55
mm
HTD
14M
Belt
85
mm
HTD
14M
Belt
115
mm
HTD
14M
Belt
170
mm
HTD
20M
Belt
150
mm
HTD
20M
Belt
170
mm
HTD
20M
Belt
230
mm
HTD
20M
Belt
290
mm
HTD
20M
Belt
340
mm
 
Alum
10,12
14,15
16,18
20,21
22,24
26,28
30,32
36,40
44,48
60,72
Alum
10,12
14,15
16,18
20,21
22,24
26,28
30,32
36,40
44,48
60,72
Alum
10,12
14,15
16,18
20,21
22,24
26,28
30.32
36.40
44.48
60.72
Alum
44,48
60
& 72
Alum
44,48
60
& 72
Alum
44,48
60
& 72
 
 
                    
 
 
      
Steel
12,14
15,16
18,20
21,22
24,26
28,30
32,36
40
Steel
12,14
15,16
18,20
21,22
24,26
28,30
32,36
40
Steel
12,14
15,16
18,20
21,22
24,26
28,30
32,36
40 
Steel
18
22,24
26,28
30,32
34,36
38,40
44,48
56,64
72
 Steel 
22,24
26,28
30,32
34,36
38,40
44,48
56,64
72
 Steel
22,24
26,28
30,32
34,36
38,40
44,48
56,64
72
 Steel
22,24
26,28
30,32
34,36
38,40
44,48
56,64
72
Steel
28,29
30,32
34,36
38,40
44
Steel
28,29
30,32
34,36
38,40
44
Steel
28,29
30,32
34,36
38,40
44,48
Steel
28,29
30,32
34,36
38,40
44,48
56
Steel
28,29
30.32
34,36
38,40
56,64
 
 
 
        
     
Cast
Iron
80,90
112
144
168
&192
Cast
Iron
80,90
112
144
168
&192
Cast
Iron
80,90
112
144
168
&192
Cast
Iron
80,90
112
144
168
&192
Cast
Iron
48,56
60,72
80,90
112
144
168
192
& 216
Cast
Iron
48,56
60,72
80,90
112
144
168
192
&216
Cast
Iron
56,60
72,80
90
112
144
168
192
&216
Cast
Iron
64,72
80,90
112
144
168
192
&216
Cast
Iron
72,80
90
112
144
168
192
&216
Cast
Iron
34,36
38,40
44,48
52,56
60,64
68,72
80,90
112
144
168
192
&216
Cast
Iron
34,36
38,40
44,48
52,56
60,64
68,72
80,90
112
144
168
192
&216
Cast
Iron
38,40
44,48
52,56
60,64
68,72
80,90
112
144
168
192
&216
Cast
Iron
52,56
60,64
68,72
80,90
112
144
168
192
&216
Cast
Iron
52,56
60,64
68,72
80,90
112
144
168
192
&216
HTD Pitch Bar Range
Material
Aluminium
HTD
3M
HTD
5M
HTD
8M
Tooth sizes
9 to 40
42,44
45,48
50,52
54,56
60,62
64,66
68,70
& 72
12 to 36
38,40
42,44
45,46
48,50
54,60
62,72
18 to 26
28,30
32,34
35,36
38,40
44,48
 
Power Grip GT Pilot Bore Pulley & Bar Range
Material 
GT
3MR
Belt
9mm
tooth
Sizes
GT
3MR
Belt
15mm
Tooth
Sizes
GT
5MR
Belt
9mm
Tooth
Sizes
GT
5MR
Belt
15mm
Tooth
Sizes
GT
3MR
Bars
Tooth
Sizes
GT
5MR
Bars
Tooth
Sizes
Steel
12,15
18,20
22,26
28,30
32,36
40,44
48,60
& 72
12,15
18,201
22,26
28,30
32,36
40,44
48,60
& 72
12,15
16,18
20,22
24,26
28,30
32,36
40,44
48,60
& 72
12,15
16,18
20,22
24,26
28,30
32,36
40,44
48,60
& 72
 
 
Aluminium         10,12
14,15
16,18
20,21
22,24
26,28
30,32
34,36
38,40
44,48
52,56
60,64
&72
12,14
15,16
18,20
21,22
24,26
28,30
32,34
36,40
44,48
54,60
64,72
Clamping Plates for All Pitches
 
XL
Pitch
L
Pitch
H
Pitch
T5
Pitch
T10
Pitch
AT5
Pitch
AT10
Pitch
HTD
3M
HTD
5M
HTD
8M
HTD
14M
Belt Widths
1/4"
5/16"
3/8"
 
1/2"
3/4"
1"
1/2"
3/4"
1" 
10mm
16mm
25mm
16mm
25mm
32mm
50mm
10mm
16mm
25mm
16mm
25mm
32mm
50mm
6mm
9mm
15mm
10mm
15mm
25mm
15mm
20mm
30mm
50mm
85mm
40mm
55mm
85mm
115mm
170mm
 
Power Grip GT2 Poly Chain Bar Range
 
GT2
8M
Poly
Chain
Tooth
Sizes
GT2
14M
Poly
Chain
Tooth
Sizes
Steel
22,25
28,30
32,34
36,38
40,45
48,50
56,60
64,72 
28,30
32,34
36,38
40,44
48
Services Available:
1- Flame Hardening!
2- Boring & Keywaying
3- Plating!
4- Tooth Cutting Service (Free issue Blanks)!
 
Non 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 any requirement outside the standard range, enabling us to offer a truly one stop source for any & all of your Timing Pulley requirements
Design Features:
1- Material C45 suitable for Flame Hardening!
2- Material Alum 6082 T6 Uni 9006/4 suitable for Anodic Treatment
3- Larger Tooth range! 
 
Services Available:
1- Flame Hardening!
2- Boring & Keywaying
3- Plating!
4- Tooth Cutting Only!
 
Design Features:
1- Material C45 suitable for Flame Hardening!
2- Material Alum 6082 T6 Uni 9006/4 suitable for Anodic Treatment
3- Larger Tooth range! 
 
Non 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 any requirement outside the standard range, enabling us to offer a truly one stop source for any & all of your Timing Pulley requirements
To send us your enquiry please use the E-mail link on this page
Lakehurst