Basic Info.
Model NO.
Twist Drill Bit
Material
High Speed Steel
Usage
Wood Drilling, Well Drilling, PCB Drilling, Metal Drilling, Masonry Drilling, Drillimg Holes Drill Bit
Advantage
Long Service Life
Transport Package
3PCS in Nylon Bag or as You Required.
Specification
all sizes are available
Product Description
Specification: Material:HSS 1/4" Hex ShankSizes: 4-12mm:4,6,8,10,12mm4-20mm:4,6,8,10,12,14,16,18,20mm4-32mm:4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm4241 High-Speed Steel HSS (Suitable For Use In The Workpiece,Hardness Of 25 Degrees Such As Steel Board,Plate Insulation c,Wood Board) | Drilling Range(mm) | Number of Steps | Dia of Steps(mm) | Overall Length(mm) | Shank Dia(mm) |
| 3-12 | 5 | 3-6-8-10-12 | / | 6 |
| 3-12 | 10 | 3-4-5-6-7-8-9-10-11-12 | / | 6 |
| 3-14 | 12 | 3-4-5-6-7-8-9-10-11-12-13-14 | / | 6 |
| 3-14 | 1 | 3-14 | / | 6 |
| 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 | 4-6-8-10-12-14-16-18-20-22-2-26-28-30 | 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 |
| 5-20 | 1 | 5-20 | / | / |
| 5-25 | 11 | 5-7-9-11-13-15-17-19-21-23-25 | / | / |
| 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 |
| 6-18 | 7 | 6-8-10-12-14-16-18 | / | 10 |
| 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 |
| 6-30 | 13 | 6-8-10-12-14-16-18-20-22-24-26-28-30 | 100 | 10 |
| 6-32 | 9 | 6-9-12-16-20-22.5-25-28.5-32 | 76 | 10 |
| 6-35 | 13 | 6-8-10-13-16-18-20-22-25-28-30-32-35 | / | 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 |
| 8-20 | 7 | 8-10-12-14-16-18-20 | / | / |
| 9-36 | 10 | 9-12-15-18-21 -24-27-30-33-36 | 85 | 12 |
| 10-20 | 11 | 10-11-12-13-14-15-16-17-18-19-20 | 85 | 10 |
| 16-30.5 | 1 | 16-30.5 | / | / |
| 20-30 | 11 | 20-21-22-23-24-25-26-27-28-29-30 | 88 | 13 |
| Inch Size Step Drill Bit |
| Drilling Range (inch) | Number of Steps | Dia of Steps(inch) | Overall Length(inch) | Shank Dia(inch) |
| 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" |
| 1/8"-7/8" | 13 | 1/8-3/16-1/4-5/16-3/8-7/16-1/2-9/16-5/8-11/ 16-3/4-13/16-7/8" | / | / |
| 3/16,,-1/2" | 6 | 3/16-1 /4-5/16-3/8-7/16-1 /2" | 3 1/4" | 1/4" |
| 3/16',-3/4" | 10 | 3/16-1/4-5/16-3/8-7/16-1 /2-9/16-5/8-11 /16-3/4" | / | 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" |
| 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" |
| 1/4"- 1 1/4" | 17 | 1 /4-5/16-3/8-7/16-1/2-9/16-5/8-11 /16-3/4-13/16-7/8-15/16-1-1 1 /16- 1 1/8-1 3/16-1 1/4" | / | / |
| 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" |
| 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" |
| 3/8"-1/2" | 2 | 3/8-1/2" | 1 7/8" | 1/4" |
| 3/8" | 1 | 3/8" | 1 3/4" | 1/4" |
| 7/16-1 1/8" | 11 | 7/16-1/2-9/16-5/8-11 /16-3/4-13/16-7/8-15/16-1 -1 1/16-1 1/8" | / | / |
| 1/2" | 1 | 1/2" | 1 7/8" | 1/4" |
| 9/16-1" | 8 | 9/16-5/8-11 /16-3/4-13/16-7/8-15/16-1" | / | / |
| 3/4-1 3/8" | 11 | 3/4-13/16-7/8-15/16-1-1 1/16-1 1/8-1 3/161 1/4-1 5/16-1 3/8" | / | 1/2" |
| 13/16-1 3/8" | 10 | 13/16-7/8-15/16-1-1 1/16-1 1/8-1 3/16-1 1/4-1 5/16-1 3/8" | / | / |
| 7/8"-1 1/8" | 2 | 7/8-1 1/8" | 3 1/8" | 3/8" |
| 7/8" | 1 | 7/8" | 2 5/8" | 3/8" |
| 1 1/8" | 1 | 1 1/18" | 3 1/8" | 1/2" |
| 1 7/32" | 1 | 1 7/32" | 3 1/4" | 1/2" |
Range of application
material | iron | aluminum | Carbon steel | plastic | 304Stainless steel | Tile wall |
| HSS-4241 | √ | √ | × | √ | × | × |
| HSS-6542 | √ | √ | √ | √ | Undurbale | × |
| HSS-4241 | √ | √ | √ | √ | √ | × |
HSS-CO process 304 stainless steel,1MM thickness can be operated by hand drill,2-3MM thickness can be
Operated on stage. |
| All drill bits must be kept cool during operation otherwise they will burn out easily. |
| HSS-4241 | Machinable 2MM Heavy Iron Plate,Aluminum Plate,5MM Heavy Plastics |
| HSS-6542 | 5mm thick iron plate,aluminium plate and steel plate can be machined |
| HSS-CO/M35 | Aluminum,iron sheet,steel plate and stainless steel with Machinable thickness less than 5MM |
Step Drill Bit
APPLICATION:For Stainless Steel,Die Steel, Cast Iron, Aluminum Alloy, Copper, PVC,Etc
| Q: Is OEM available? |
| A: Yes, OEM and customization are available. Also, we can provide label printing service and package service |
| Q: When can I get the price? |
| A:We usually quote within 24 hours after we get your inquiry.If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority. |
| Q: Are samples available? |
| A: Yes,we provide free samples. |
| Q: What is your payment terms? |
| A: T/T,L/C,D/A,D/P,Paypal for different circumstances. |
| Q:How can I get a sample to check your quality? |
| A:After price confirmation, you can require for samples to check our quality. If you just need a blank sample to check the design and paper quality, we will provide you sample for free, as long as you afford the express freight. |
| Q:Are you trading company or manufaturer? |
| A:We are professional manufacturer. We not only owns our tools factory, but also have cemented carbide factory. |
| Q:How about your stock? |
| A:We have large quantity products in stock, regular types and sizes are all in stock. |
| Q:Is free shipping possible? |
| A:We don't offer free shipping service. We can have a discount if you buy a large quantity products. |
Address:
Wangxiang Village, Houxiang, Danbei Town, Danyang City, Zhenjiang, Jiangsu, China
Business Type:
Trading Company
Business Range:
Construction & Decoration, Industrial Equipment & Components, Tools & Hardware
Management System Certification:
ISO 9001
Company Introduction:
Danyang Best Tools Co., Ltd. is located in Houxiang Town, which is honored "the hometown of Tools in China", in purpose of "bringing out excellent products and performing leading service for customer" by mature technology, and constantly bring in advanced experience of production and management. A perfect quality inspection system has been established based on the Quality System Certificate of ISO 9002, as well as achieved administration of networks by setting up the management program of computer information.
We are specializing in producing all kinds of Hardware Tools and a complete set of package with good quality and excellent service. Welcome you to visit our company.
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