SJ-5M Countersink 60° Double Cut Carbide Burr - For Countersinking and Hole Edge Work
The SJ-5M carbide rotary burr features a countersink 60° shape and a double-cut design, developed specifically for countersink chamfering, hole edge finishing, and tapered hole enlargement. Its conical structure accurately matches standard countersink angles, while the double-cut pattern ensures efficient machining and a smooth, even chamfer surface.
| Technical Parameters |
| Model |
Cut dia (D1) |
Cut length (D2) |
Shank (L1) |
Overall (L2) |
Type |
Cut |
| SJ-5M DC |
12.7 |
11 |
6 |
58 |
Silver braze |
Double |
| Care Selections-carbide grades |
Cobalt(%) |
Hardness(HRA) |
T.R.S(N/mm2) |
| Carbide Grades |
YG7 |
7 |
90.5 |
3000 |
| YG8 |
8 |
89.5 |
3400 |
| YG6X |
6 |
91.7 |
3400 |
| YG10X |
10 |
90-91 |
3000 |
This tool is suitable for countersinking tasks on common metals such as carbon steel, stainless steel, and aluminum alloys. It effectively performs deburring, edge rounding, and hole edge smoothing. Made entirely from wear-resistant carbide, it delivers stable cutting performance and long service life during continuous use.
Compatible with standard electric and pneumatic equipment, it is easy to operate and maintain. Widely used for finishing assembly holes on mechanical parts, mold chamfering, pre-weld groove preparation, and standard countersink fabrication, this is a purpose-built, practical rotary burr designed for countersinking applications.
Caburtech offers a wide selection of carbide burr shapes in Single and Double Cut styles, including Cylinder, Round nose cylinder, Ball, Oval, Tree, Flame, Cone, Countersink and Inverted Cone. Each shape is designed for grinding, deburring, chamfering, and finishing on steels under 60 HRC, stainless steels, cast iron and etc.
FAQ
1.How to Use:
This product belongs to the commonly used alloy consumables, and is designed to be used with high-speed electric grinders or pneumatic tools.
2.OEM:
We offer OEM services to cater to specific customer requirements.
3.MOQ:
The usual minimum order quantity is 100 pcs per model.
However, this can be adjusted based on your specific requirements. Please consult your sales representative for further details.
4.Lead Time:
The lead time for regular orders is approximately one month, excluding samples.
5.Port:
Shanghai/ Guangzhou/ Shenzhen/ Ningbo/ Yiwu/ Chengdu.
Product Tags:
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SJ-5M Countersink 60° Double Cut Carbide Burr - For Countersinking and Hole Edge Work Images
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