Home
About Us
Facilities
  Gear Cutting
 Spurs
 Helical
 Clusters
 Worm Gear
 Worm
 Sprockets
 Internals
 Straight Sided Splines
 Timing Belt Pulleys
 HTD Pulleys
 Metric Gears
Capacities
RecentWork
Request For Quote
Technical Gear Info


Member of AGMA


We accept Visa, MasterCard, and American Express

←   Return To Index printer friendly version

 

Quick Reference
Depth Charts

BASE PITCH CHARTS
Diametral Pitch
Base Pitch = /D.P. (COS.PA)

Diam. Pitch Circular
Pitch
Module Whole Depth
Std.
2.157/DP
Deep
2.25/DP
Pre-Shave
2.35/DP
Full Fillet
2.335/DP
Agma Stub
1.800/DP
1
1 1/4
1 1/2
1 3/4
3.1416
2.5133
2.0944
1.7952
25.4000
20.3200
16.9333
14.5143
2.1571
1.7257
1.4381
1.2326
2.2500
1.8000
1.5000
1.2857
2.3500
1.8800
1.5667
1.3429
2.3350
1.8680
1.5567
1.3343
1.8000
1.4400
1.2000
1.0286
2
2 1/4
2 1/2
2 3/4
1.5708
1.3963
1.2567
1.1424
12.7000
11.2889
10.1600
9.2364
1.0786
0.9587
0.8628
0.7844
1.1250
1.0000
0.9000
0.8182
1.1750
1.0444
0.9400
0.8545
1.1675
1.0378
0.9340
0.8491
0.9000
0.8000
0.7200
0.6545
3
3 1/2
4
4 1/2
1.0472
0.8976
0.7854
0.6981
8.4667
7.2571
6.3500
5.6440
0.7190
0.6163
0.5393
0.4793
0.7500
0.6429
0.5625
0.5000
0.7833
0.6714
0.5875
0.5222
0.7780
0.6671
0.5838
0.5188
0.6000
0.5143
0.4500
0.4000
5
6
7
8
0.6283
0.5236
0.4488
0.3927
5.0800
4.2333
3.6286
3.1750
0.4314
0.3595
0.3082
0.2696
0.4500
0.3750
0.3214
0.2813
0.4700
0.3917
0.3357
0.2938
0.4670
0.3892
0.3336
0.2919
0.3600
0.3000
0.2571
0.2250
9
10
11
12
0.3491
0.3142
0.2856
0.2618
2.8222
2.5400
2.3091
2.1167
0.2397
0.2157
0.1961
0.1798
0.2500
0.2250
0.2045
0.1875
0.2611
0.2350
0.2136
0.1958
0.2595
0.2335
0.2123
0.1946
0.2000
0.1800
0.1636
0.1500
13
14
15
16
0.5417
0.2243
0.2094
0.1963
1.9538
1.8143
1.6933
1.5875
0.1659
0.1541
0.1438
0.1348
0.1731
0.1607
0.1500
0.1406
0.1807
0.1679
0.1567
0.1469
0.1796
0.1668
0.1557
0.1459
0.1385
0.1286
0.1200
0.1125
17
18
0.1848
0.1745
1.4941
1.4111
0.1268
0.1198
0.1323
0.1250
0.1382
0.1306
0.1374
0.1297
0.1056
0.1000
Fine Pitch 2.20/DP + .002   British System 2.40/DP
20
22
24
26
0.1571
0.1428
0.1309
0.1208
1.2700
1.1545
1.0583
0.9769
0.1120
0.1020
0.0937
0.0866
  0.1200
0.1092
0.1000
0.0923

25.4/MOD = DP

25.4/DP = MOD

P/DP = CP

P/CP = DP

28
30
32
36
0.1122
0.1047
0.0982
0.0873
0.9071
0.8467
0.7938
0.7056
0.0805
0.0753
0.0708
0.0631
  0.0857
0.0800
0.0750
0.0667
40
44
48
56
0.0785
0.0714
0.0654
0.0561
0.6350
0.5773
0.5292
0.4536
0.0570
0.0520
0.0470
0.0413
  0.0600
0.0545
0.0500
0.0429
64
72
96
0.0491
0.0436
0.0327
0.3969
0.3528
0.2646
0.0364
0.0326
0.0249
  0.0375
0.0333
0.0250

←   Return To Index Reprinted from Ash Gear & Supply

Home •  About •  Facilities •  Capacities •  Request For Quote •  Technical Gear Info
Services: Gear Cutting •  Spur •  Facilities •  Helical •  Cluster •  Worm Gear •  Worm •  Sprocket
Internals •  Straight Side Spline •  Timing Belt Pulley •  HTD Pulley •  Metric Gear
 
90 Bissel Street - Joliet, IL 60432
PH: 800-876-7216 - FX: 815-723-9207
Mon-Fri 7a - 4:30p / Sat 7a - 12p
 
Website designed & maintained by ADOM Solutions, Inc.