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HSS 4241/M2/M35 high quality 3pc step drill bits set with low price
| Name: | Step drill bit |
| Flute Type: | Straight flute / spiral flute |
| Material: | HSS 4241 /M2 /M35 |
| Split Point: | 118/135 |
| Shank Type: | Hex shank / Triangle shank |
| Step Angle: | 90° |
| Workpiece: | Stainless steel, iron, steel, aluminum, wood, sheet iiron & aluminum, plastic etc |
| Package: | Plastic tube /wood box |






Metric Size Step Drill Bit
| Drilling Range | Number of Steps | Dia of Steps (mm) | Overall Length (mm) | Shank Dia (mm) |
| 4-12 | 5 | 4-6-8-10-12 | 65 | 6 |
| 4-12 | 9 | 4-5-6-7-8-9-10-11-12 | 65 | 6 |
| 4-20 | 9 | 4-6-8-10-12-14-16-18-20 | 75 | 8 |
| 4-22 | 10 | 4-6-8-10-12-14-16-18-20-22 | 80 | 10 |
| 4-30 | 14 | 4-6-8-10-12-14-16-18-20-22-24-26-28-30 | 100 | 10 |
| 4-39 | 13 | 4-6-12-15-18-21-24-27-30-33-36-39 | 107 | 10 |
| 5-13 | 5 | 5-7-9-11-13 | 65 | 6.35 |
| 5-25 | 11 | 5-7-9-11-13-15-17-19-21-23-25 | 82 | 9.5 |
| 5-35 | 13 | 5-13-15-17-19-21-23-25-27-29-31-33-35 | 82 | 12.7 |
| 6-20 | 8 | 6-8-10-12-14-16-18-20 | 71 | 9 |
| 6-25 | 7 | 6-9-12-16-20-22.5-25 | 65 | 10 |
| 6-32 | 9 | 6-9-12-16-20-22.5-25-28.5-32 | 76 | 10 |
| 6-36 | 11 | 6-9-12-15-18-21-24-27-30-33-36 | 85 | 10 |
| 6-38 | 12 | 6-9-13-16-19-21-23-26-29-32-35-38 | 100 | 10 |
| 6-40 | 16 | 6-11-17-23-29-30-31-32-33-34-35-36-37-38-39-40 | 105 | 13 |
| 9-36 | 10 | 9-12-15-18-21-24-27-30-33-36 | 85 | 12 |
Inch Size Step Drill Bit
| Drilling Range | Number of Steps | Dia of Steps (inch) | Overall Length (inch) | Shank Dia (inch) |
| 3/16"-1/2" | 6 | 3/16-1/4-5/16-3/8-7/16-1/2" | 3 1/4" | 1/4" |
| 1/8"-1/2" | 13 | 1/8-5/32-3/16-7/32-1/4-9/32-5/16-11/32-3/8-13/32-7/16-15/32-1/2" | 3 1/8" | 1/4" |
| 1/4"-3/4" | 9 | 1/4-5/16-3/8-7/16-1/2-9/16-5/8-11/16-3/4" | 2 3/4" | 3/8" |
| 3/16"-7/8" | 12 | 3/16-1/4-5/16-3/8-7/16-1/2-9/16-5/8-11/16-3/4-13/16-7/8" | 3 1/4" | 3/8" |
| 5/16"-1" | 9 | 5/16-1/2-9/16-5/8-11/16-3/4-13/16-7/8-15/16-1" | 3 1/4" | 3/8" |
| 1/4"- 1 3/8" | 10 | 1/4-3/8-1/2-5/8-3/4-7/8-1 1/8-1 7/32-1 1/4-1 3/8" | 3 1/8" | 1/2" |
| 3/8"-1/2" | 2 | 3/8-1/2" | 1 7/8" | 1/4" |
| 7/8"-1 1/8" | 2 | 7/8-1 1/8" | 3 1/8" | 3/8" |
| 3/8" | 1 | 3/8" | 1 3/4" | 1/4" |
| 1/2" | 1 | 1/2" | 1 7/8" | 1/4" |
| 7/8" | 1 | 7/8" | 2 5/8" | 3/8" |
| 1 1/8" | 1 | 1 1/8" | 3 1/8" | 1/2" |
| 1 7/32" | 1 | 1 7/32" | 3 1/4" | 1/2" |


Q: Is OEM available?
A: Yes, OEM and customization are available. Also, we can provide label printing service.
Q: Are samples available?
A: Yes, you can ask some samples for testing after confirming our prices, but please pay the sample and freight fee, the sample fee will be returned to you after you making official order.
Q: What is your payment terms?
A: T/T,L/C,D/A,D/P,Paypal for different circumstances.
Q: What's your delivery way?
A: Express delivery, air shipping, sea shipping are available for your request.
Q: What's your delivery time?
A: Usual delivery time is 5-10days after receiving the advance payment;
For the customized product, 15-30 days after receiving the advance payment.
Q: As we knew, when we make order, some suppliers used lower material instead of high quality material products and send to us, how can I trust you?
A: We suggest clients to test the material chemical elements after receiving goods and compare with samples. We promise that we will return all the money to you if you find any difference with samples. That's why many customers would like to cooperate with us for long terms.
Guangdong SONGQI Abrasive and Tools Manufacturing Co.,Ltd is a famous Chinese enterprise specializing in the production,R&D and sales of resin grinders and hardware.The company has obtained the production certificate of Chinese industrial products,released the environmental impact statement and maintained the right to independently engage in exports.Located in Foshan,the hinterland of the beautiful and prosperous Pearl River Delta,SONGQI is close to major cities such as Guangzhou,Shenzhen and Zhuhai,where the logistics industry has been thriving with the advanced transportation system.





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