- Tool Parts[31]
- Contact Person : Mr. Zhou Jianlin
- Company Name : Hangzhou East-Top Tools Manufacturing Co., Ltd.
- Tel : 86-571-86603318
- Fax : 86-571-86603328
- Address : Zhejiang,Hangzhou,Taojiayuan 80 , Changhe Street, Binjiang District, Hangzhou .Zhejiang
- Country/Region : China
- Zip : 310052
Step Drills
Detailed Product Description
M2 HSS,Titanitrid Coating,M35HSS-Eavailable for specified requirements
For all materials in sheet,pipes and workpieces with a wallthickness up to 4mm
Advantages:
No centering required,the drills do not run off center
A variety of hole diameters can be drilled using only one tool,and the tool can display the dimensions
The dimension of drilled hole is exact
Holes are de-burred by the following level,and cylindrical bores are produced
Even very thin-walled materials can bedrilled
Single piece packed in clam shell
Step drill in sets are available
Code | Specification
| Steps
| Increments
| OAL
| Shank Size
| |||||
M2 HSS | TiN Coated | M35 HSS | ||||||||
|
|
| Metric Series |
|
|
|
| |||
STM04125 | STT04125 | STC04125 | 4-12 | 5 | 2mm | 66mm | 6mm | |||
STM04129 | STT04129 | STT04129 | 4-12 | 9 | 1mm | 76mm | 6mm | |||
STM04209 | STT04209 | STC04209 | 4-20 | 9 | 2mm | 67mm | 8mm | |||
STM12209 | STT12209 | STC12209 | 12-20 | 9 | 1mm | 76mm | 8mm | |||
STM0430A | STT0430A | STC0430A | 4-30 | 14 | 2mm | 97mm | 10mm | |||
STM0630A | STT0630A | STC0630A | 6-30 | 13 | 2mm | 98mm | 10mm | |||
STM2030A | STT2030A | STC2030A | 20-30 | 11 | 1mm | 88mm | 12mm | |||
STM3040A | STT3040A | STC3040A | 30-40 | 11 | 1mm | 98mm | 12mm | |||
STM4050A | STT4050A | STC4050A | 40-50 | 11 | 1mm | 107mm | 12mm | |||
Inch Series | ||||||||||
STM05136 | STT05136 | STC05136 | 3/161/2 | 6 | 1/16 | 3-1/8 | 1/4 | |||
STM0313B | STT0313B | STC0313B | 1/81/2 | 13 | 1/32 | 3-1/8 | 1/4 | |||
STM06139 | STT06139 | STC06139 | 1/41/2 | 9 | 1/16 | 2-3/4 | 3/8 | |||
STM0522B | STT0522B | STC0522B | 3/167/8 | 12 | 1/16 | 3-1/4 | 3/8 | |||
STM0625B | STT0625B | STC0625B | 1/4--1 | 10 | * | 3-1/4 | 3/8 | |||
STM0635B | STT0635B | STC0635B | 1/41 3/8 | 11 | ** | 3-1/4 | 3/8 | |||
