Jiangsu Xingrui Tools CO.,LTD
| Payment Terms | T/T, MoneyGram |
| Supply Ability | 3000000/PCS Per Month |
| Delivery Time | 30-45days |
| Packaging Details | Plastic tube;Paper Color box;Plastic box;BOSCH box. |
| Product Name | hss cobalt twist drill bit |
| Material | HSS-M35;HSS-M2;HSS-4341;HSS-4241 |
| Surface: | Black;Amber;Yellow;White |
| Shank | paraller shank |
| Degree Point | 118°；135° |
| Application | Metal, steel plate, stainless steel |
| Hardness | 60-66HRC |
| Process | Fully Ground |
| Service | OEM |
| Logo | Stamping or Laser Marking |
| Brand Name | STARRY |
| Model Number | 3mm |
| Certification | ISO9000 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T, MoneyGram | Supply Ability | 3000000/PCS Per Month |
| Delivery Time | 30-45days | Packaging Details | Plastic tube;Paper Color box;Plastic box;BOSCH box. |
| Product Name | hss cobalt twist drill bit | Material | HSS-M35;HSS-M2;HSS-4341;HSS-4241 |
| Surface: | Black;Amber;Yellow;White | Shank | paraller shank |
| Degree Point | 118°；135° | Application | Metal, steel plate, stainless steel |
| Hardness | 60-66HRC | Process | Fully Ground |
| Service | OEM | Logo | Stamping or Laser Marking |
| Brand Name | STARRY | Model Number | 3mm |
| Certification | ISO9000 | Place of Origin | CHINA |
| High Light | concrete drill bit ，countersink drill bit ，Amber Finished Hss Twist Drill Bit | ||
| HSS Drill Bits | |||||||||||
| Manufacturing | Surface Finish | Sharpening | |||||||||
| White | Black | B&W | Tin Coated | Amber | Black&Gold | 118° | 135°S.P. | Turto Max | 118°S.P | Web Thinning | |
| Rolled Forged | √ | √ | √ | √ | √ | ||||||
| Rolled Polished | √ | √ | √ | √ | √ | √ | √ | √ | |||
| Fully Ground | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Milled | √ | √ | √ | √ | √ | √ | √ | ||||
| Standards | DIN338,DIN1897,DIN340,DIN1869,DIN345,DIN333 | ||||||||||
| Jobber length,ScrewMachine Length,Taper length,Aircraft Extension | |||||||||||
| Material | HSS4241,HSS4341,HSS6542(M2),HSS CO5%(M35),HSS CO8%(M42) | ||||||||||
| Shank | Straight shank(Parallel shank), Reduced Shank, hex shank,1/4″Quick change shank,3Flats shank,1/2"shank,3/8"shank | ||||||||||
| Helix Angle | Type N,Type W,Type H | ||||||||||
| Rotating | Right Hand,Left Hand | ||||||||||
| Flute | Normal,parabolic | ||||||||||
| d1 | l1 | l2 |
| 0.5 | 22 | 6 |
| 1 | 34 | 12 |
| 1.5 | 40 | 18 |
| 2 | 49 | 24 |
| 2.5 | 57 | 30 |
| 3 | 61 | 33 |
| 3.2 | 65 | 36 |
| 3.5 | 70 | 39 |
| 4 | 75 | 43 |
| 4.2 | 75 | 43 |
| 4.5 | 80 | 47 |
| 5 | 86 | 52 |
| 5.2 | 86 | 52 |
| 5.5 | 93 | 57 |
| 6 | 93 | 57 |
| 6.5 | 101 | 63 |
| 7 | 109 | 69 |
| 7.5 | 109 | 69 |
| 8 | 117 | 75 |
| 8.5 | 117 | 75 |
| 9 | 125 | 81 |
| 9.5 | 125 | 81 |
| 10 | 133 | 87 |
| 10.5 | 133 | 87 |
| 11 | 142 | 94 |
| 11.5 | 142 | 94 |
| 12 | 151 | 101 |
| 12.5 | 151 | 101 |
| 13 | 151 | 101 |
| Material | Hardness(HRC) |
| HSS-4241 | 60-62 |
| HSS-4341 | 62-63 |
| HSS-9341 | 63-66 |
| HSS-M2 | 63-66 |
| HSS-M35 | 64-67 |
we can offer your different kinds surface treatment for the hss drill bit;
1.Black.2.bright.3.Tin coated.4.Amber color(Coffee color)
STARRY HSS Drill bit can drilling holes on aluminium,plastic,wood,copper,iron,stainless steel.
1. 5/10 pieces packind in PVC bag, then in white paper box, then in carton. ( default bullk packing)
2.Plastic tube,Blister Packing,PVC bags with card,Metal Box and so on.
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2008
Total Annual:
10000000-20000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
JIANG SU XING RUI TOOLS CO., LTD. is one of the professional manufacturers of different kinds cutting tools in china, specialized in all kinds of HSS twist drill bits, SDS drill bits ,wood working drill bits , HSS machine Taps,hand taps,spiral flute taps,End mill,Hole... JIANG SU XING RUI TOOLS CO., LTD. is one of the professional manufacturers of different kinds cutting tools in china, specialized in all kinds of HSS twist drill bits, SDS drill bits ,wood working drill bits , HSS machine Taps,hand taps,spiral flute taps,End mill,Hole...
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