| 牙规/型号 | 片数 | 角度 | 规格 |
| NO.4 | 24 | 60° | 4 to 30 per inch |
| NO.5 | 26 | 60° | 32 jto 82 per inch |
| NO.6 | 30 | 60° | 4 to 42per inch |
| NO.40 | 22 | 60° | 9 to 40 per inch |
| 37 | 26 | 55° | 4 to 60 per inch |
| 55 | 27 | 60° | 2.1/4 to 28 per inch |
| 56 | 28 | 60° | .25 to 32.5mm |
| 57 | 18 | 60° | .4 to 7.0mm |
| 58 | 17 | 60° | .5 to 7.0mm |
| 59 | 22 | 60° | 1.0 to 11.5mm |
| 60 | 24 | 60° | ISO.2 to 6.0mm |
| 61 | 28 | 55° | 4 to 62 per inch |
| 62 | 24 | 60° | .25 to 6.0mm |
| 63 | 48 | 60° | .25 to 6.0mm |
| 64 | 20 | 55° | 4 to 62 per inch |
| 65 | 29 | 60° | 6 to 30 per inch |
| 55° | 4 to 50 per inch | ||
| 66 | 24 | 60° | .25 to 7.0mm |
| 67 | 22 | 60° | 9 to 40 per inch |
| 68 | 21 | 60° | .4 to 7.0mm |
| 69 | 51 | 60° | 4 to 42 per inch |
| .4 to 7.0mm | |||
| 71 | 30 | 55° | 4 to 42per inch |
| 73 | 28 | 55° | 4 to 60 per inch |
| NO.472 | 51 | 60° | 4 to 84 per inch |
| NO.473 | 30 | 60° | 6 to 60 per inch |
| NO.474 | 28 | 60° | 4 to 80 per inch |
| NO.475 | 26 | 60° | 3. 1/2 to 32 per inch |
| NO.476 | 30 | 55° | 3. 1/2 to 60 per inch |
| SAE | 34 | 60° | 4 to 80 per inch |
“香港伟达机械有限公司”创立于1976年，当时只是一家小规模的量具进口及经销公司.经过五年之全面投入,积极进取,赢得广大客户之认同及支持，于1981年注册为伟达机械有限公司．伟达代理及销售的产品有：刀具、夹具、光学仪器、、高精度测试仪器和高精密数控车床。
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