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Clamps for Open-Ended Timing Belts

clamp image thumbnailClamps are used to attach the ends of an open-ended timing belt. For best clamp performance we recommend at least 5 teeth in mesh.

Note: Pretension cannot be applied with clamps. If you require the ability to apply pretension, then please refer to our section on Tensioning Clamps. We offer additional options for connecting open-ended timing belts that may also suit your needs.

Contact an applications engineer or see our information on Connecting Kits.

Please select your belt pitch from list below to see the specs and part numbers for our stock clamps. Click on a part number to request a price quote.

AT3 Standard Clamp

Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) c (mm) H (mm)
10 30 x 65 AT3 Clamp Type (0 or B) 30 75 5.5 20 50 12.5 8
20 50 x 75 AT3 Clamp Type (0 or B) 50 75 5.5 30 50 12.5 8
25 60 x 75 AT3 Clamp Type (0 or B) 60 75 5.5 38 50 12.5 8
standard metric clamp diagram

AT5 Standard Clamp

Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) c (mm) H (mm)
25 50 x 120 AT5 Clamp Type (0 or B) 50 120 5.5 38 80 20 20
32 60 x 120 AT5 Clamp Type (0 or B) 60 120 5.5 46 80 20 10
50 75 x 120 AT5 Clamp Type (0 or B) 75 120 5.5 62 80 20 10
75 110 x 120 AT5 Clamp Type (0 or B) 110 120 5.5 94 80 20 10
100 140 x 120 AT5 Clamp Type (0 or B) 140 120 5.5 124 80 20 10
standard metric clamp diagram

AT10/BAT10/BATK10 Standard Clamp

Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) c (mm) H (mm)
25 50 x 160 [Pitch] Clamp Type (0 or B) 50 160 6.5 38 110 30 10
32 60 x 160 [Pitch] Clamp Type (0 or B) 60 160 6.5 46 110 30 10
50 75 x 160 [Pitch] Clamp Type (0 or B) 75 160 6.5 62 110 30 10
75 110 x 160 [Pitch] Clamp Type (0 or B) 110 160 6.5 94 110 30 10
100 140 x 160 [Pitch] Clamp Type (0 or B) 140 160 6.5 124 110 30 10
150 190 x 160 [Pitch] Clamp Type (0 or B) 190 160 6.5 174 110 30 10
standard metric clamp diagram

ATS15/BAT15/BATK15 Standard Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) c (mm) H (mm)
25 50 x 180 [Pitch] Clamp Type (0 or B) 50 180 9 38 140 50 20
32 60 x 180 [Pitch] Clamp Type (0 or B) 60 180 9 46 140 50 20
50 75 x 180 [Pitch] Clamp Type (0 or B) 75 180 9 62 140 50 20
75 110 x 180 [Pitch] Clamp Type (0 or B) 110 180 9 94 140 50 20
standard metric clamp diagram

AT20 Standard Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) c (mm) H (mm)
25 50 x 200 AT20 Clamp Type (0 or B) 50 200 9 38 160 60 20
32 60 x 200 AT20 Clamp Type (0 or B) 60 200 9 46 160 60 20
50 75 x 200 AT20 Clamp Type (0 or B) 75 200 9 62 160 60 20
75 110 x 200 AT20 Clamp Type (0 or B) 110 200 9 94 160 60 20
100 140 x 200 AT20 Clamp Type (0 or B) 149 200 9 124 160 60 20
150 190 x 200 AT20 Clamp Type (0 or B) 190 200 9 174 160 60 20
standard metric clamp diagram

T2.5 Standard Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) c (mm) H (mm)
10 30 x 50 T2.5 Clamp Type (0 or B) 30 50 5.5 20 30 15 6
20 40 x 60 T2.5 Clamp Type (0 or B) 40 60 5.5 30 30 15 6
standard metric clamp diagram

T5 Standard Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) c (mm) H (mm)
25 50 x 120 T5 Clamp Type (0 or B) 50 120 5.5 38 80 20 10
32 60 x 120 T5 Clamp Type (0 or B) 60 120 5.5 46 80 20 10
50 75 x 120 T5 Clamp Type (0 or B) 75 120 5.5 62 80 20 10
75 110 x 120 T5 Clamp Type (0 or B) 110 120 5.5 94 80 20 10
100 140 x 120 T5 Clamp Type (0 or B) 140 120 5.5 124 80 20 10
standard metric clamp diagram

T10 Standard Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) c (mm) H (mm)
25 50 x 160 T10 Clamp Type (0 or B) 50 160 6.5 38 110 30 10
32 60 x 160 T10 Clamp Type (0 or B) 60 160 6.5 46 110 30 10
50 75 x 160 T10 Clamp Type (0 or B) 75 160 6.5 62 110 30 10
75 110 x 160 T10 Clamp Type (0 or B) 119 160 6.5 94 110 30 10
100 140 x 160 T10 Clamp Type (0 or B) 140 160 6.5 124 110 30 10
150 190 x 160 T10 Clamp Type (0 or B) 190 160 6.5 174 110 30 10
standard metric clamp diagram

T20 Standard Clamp

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For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) c (mm) h (mm)
25 50 x 200 T20 Clamp Type (0 or B) 50 200 6.5 38 160 60 20
32 60 x 200 T20 Clamp Type (0 or B) 60 200 6.5 46 160 60 20
50 75 x 200 T20 Clamp Type (0 or B) 75 200 6.5 62 160 60 20
75 110 x 200 T20 Clamp Type (0 or B) 110 200 6.5 94 160 60 20
100140 x 200 T20 Clamp Type (0 or B) 140 200 6.5 124 160 60 20
150 190 x 200 T20 Clamp Type (0 or B) 190 200 6.5 166 160 60 20
standard metric clamp diagram

T1/5" (XL) Standard Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) c (mm) h (mm)
25.4 50 x 120 T1/5” Clamp Type (0 or B) 50 120 5.5 38 80 20 10
38.1* 60 x 120 T1/5” Clamp Type (0 or B) 60 120 5.5 46 80 20 10
50.8* 75 x 120 T1/5” Clamp Type (0 or B) 75 120 5.5 62 80 20 10
76.2* 110 x 120 T1/5” Clamp Type (0 or B) 110 120 5.5 94 80 20 10
*Belt widths only available in truly endless BFX
imperial pitch clamp diagram

T3/8" (L) Standard Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) c (mm) H (mm)
25.4 50 x 120 T3/8” Clamp Type (0 or B) 50 160 6.5 38 110 30 10
38.1 60 x 160 T3/8” Clamp Type (0 or B) 60 160 6.5 46 110 30 10
50.8 75 x 160 T3/8” Clamp Type (0 or B) 75 160 6.5 62 110 30 10
76.2 110 x 160 T3/8” Clamp Type (0 or B) 110 160 6.5 94 110 30 10
imperial pitch clamp diagram

T1/2" (H) Standard Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) c (mm) H (mm)
25.4 50 x 160 T1/2” Clamp Type (0 or B) 50 160 6.5 38 110 30 10
38.1 60 x 160 T1/2” Clamp Type (0 or B) 60 160 6.5 46 110 30 10
50.8 75 x 160 T1/2” Clamp Type (0 or B) 75 160 6.5 62 110 30 10
76.2 110 x 160 T1/2” Clamp Type (0 or B) 110 160 6.5 94 110 30 10
101.6 140 x 160 T1/2” Clamp Type (0 or B) 140 160 6.5 124 110 30 10
imperial pitch clamp diagram

T7/8" (XH) Standard Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) c (mm) H (mm)
25.4 50 x 200 T7/8” Clamp Type (0 or B) 50 200 6.5 38 160 60 20
38.1 60 x 200 T7/8” Clamp Type (0 or B) 60 200 6.5 46 160 60 20
50.8 75 x 200 T7/8” Clamp Type (0 or B) 75 200 6.5 62 160 60 20
76.2 110 x 200 T7/8” Clamp Type (0 or B) 110 200 6.5 94 160 60 20
101.6 140 x 200 T7/8” Clamp Type (0 or B) 140 200 6.5 124 160 60 20
Standard clamp type B or O specs

AT5 Half Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) a1 (mm) H (mm)
25 50 x 58 AT5 Clamp Type (0 or B) 50 58 5.5 35 30 15 10
32 60 x 58 AT5 Clamp Type (0 or B) 60 58 5.5 42 30 15 10
50 75 x 58 AT5 Clamp Type (0 or B) 75 58 5.5 60 30 15 10
75 110 x 58 AT5 Clamp Type (0 or B) 110 58 5.5 90 30 15 10
diagram for a half clamp

AT10/BAT10/BATK10 Half Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) a1 (mm) H (mm)
25 50 x 78 [Pitch] Clamp Type (0 or B) 50 78 6.5 35 40 20 10
32 60 x 78 [Pitch] Clamp Type (0 or B) 60 78 6.5 42 40 20 10
50 75 x 78 [Pitch] Clamp Type (0 or B) 75 78 6.5 60 40 20 10
75 110 x 78 [Pitch] Clamp Type (0 or B) 110 78 6.5 90 40 20 10
diagram for a half clamp

AT15/BAT15/BATK15 Half Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) a1 (mm) H (mm)
25 50 x 88 [Pitch] Clamp Type (0 or B) 50 78 9 35 50 20 20
32 60 x 88 [Pitch] Clamp Type (0 or B) 60 78 9 42 50 20 20
50 75 x 88 [Pitch] Clamp Type (0 or B) 75 78 9 60 50 20 20
75 110 x 88 [Pitch] Clamp Type (0 or B) 110 78 9 90 50 20 20
diagram for a half clamp

AT20 Half Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) a1 (mm) H (mm)
25 50 x 98 AT20 Clamp Type (0 or B) 50 98 9 35 60 20 20
32 60 x 98 AT20 Clamp Type (0 or B) 60 98 9 42 60 20 20
50 75 x 98 AT20 Clamp Type (0 or B) 75 98 9 60 60 20 20
75 110 x 98 AT20 Clamp Type (0 or B) 110 98 9 90 60 20 20
diagram for a half clamp

T5 Half Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) a1 (mm) H (mm)
25 50 x 58 T5 Clamp Type (0 or B) 50 58 5.5 35 30 15 10
32 60 x 58 T5 Clamp Type (0 or B) 60 58 5.5 42 30 15 10
50 75 x 58 T5 Clamp Type (0 or B) 75 58 5.5 60 30 15 10
75 110 x 58 T5 Clamp Type (0 or B) 110 58 5.5 90 30 15 10
half clamp metric diagram

T10 Half Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) a1 (mm) H (mm)
25 50 x 78 T10 Clamp Type (0 or B) 50 78 5.5 35 40 20 10
32 60 x 78 T10 Clamp Type (0 or B) 60 78 5.5 42 40 20 10
50 75 x 78 T10 Clamp Type (0 or B) 75 78 5.5 60 40 20 10
75 110 x 78 T10 Clamp Type (0 or B) 110 78 5.5 90 40 20 10
half clamp metric diagram

T20 Half Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) a1 (mm) H (mm)
25 50 x 98 T20 Clamp Type (0 or B) 50 78 9 35 60 20 20
32 60 x 98 T20 Clamp Type (0 or B) 60 78 9 42 60 20 20
50 75 x 98 T20 Clamp Type (0 or B) 75 78 9 60 60 20 20
75 110 x 98 T20 Clamp Type (0 or B) 110 78 9 90 60 20 20
half clamp metric diagram

HTD 5M Half Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) a1 (mm) H (mm)
10 28 x 41.8 5M Clamp Type (0 or B) 28 48.1 5.5 16 25 - 8
15 34 x 41.8 5M Clamp Type (0 or B) 34 48.1 5.5 22 25 - 8
25 75 x 41.8 5M Clamp Type (0 or B) 50 48.1 5.5 32 25 - 8
half clamp metric diagram

HTD 8M Half Clamp

For Belt Width (mm) Part Number B (mm) L (mm) d (mm) M (mm) a (mm) a1 (mm) H (mm)
20 45 x 66 8M Clamp Type (0 or B) 45 66 9 29 40 - 15
30 55 x 66 8M Clamp Type (0 or B) 55 66 9 39 40 - 15
50 75 x 66 8M Clamp Type (0 or B) 75 66 9 59 40 - 15
85 110 x 66 8M Clamp Type (0 or B) 110 66 9 94 40 - 15
half clamp metric diagram
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