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 roll forged twist drill bit |
Material | HSS-4241;HSS-4341;HSS-M2 |
Surface: | Black finished |
Degree Point | 118° |
Produce Process | Roll forged |
Application | Metal, steel plate |
Hardness | 64-66HRC |
Service | OEM |
Brand Name | STARRY and OEM |
Model Number | 3mm 3.2mm 4mm 5mm 6mm 8mm 10mm |
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 roll forged twist drill bit | Material | HSS-4241;HSS-4341;HSS-M2 |
Surface: | Black finished | Degree Point | 118° |
Produce Process | Roll forged | Application | Metal, steel plate |
Hardness | 64-66HRC | Service | OEM |
Brand Name | STARRY and OEM | Model Number | 3mm 3.2mm 4mm 5mm 6mm 8mm 10mm |
Certification | ISO9000 | Place of Origin | CHINA |
High Light | countersink drill bit ,titanium drill bits |
DIN338 HSS-4241 Roll Forged Black-oxided Twist Drill Bits
Type: | HSS twist drill bit |
Shank: | Straight Shank |
Surface Finish: | Black oxide |
Standard: | DIN338 |
Hss Material: | 4241 |
Product Technic: | Roll Forged |
Ponit Angle: | 118° / 135° or Split point |
Payment Term: | TT,or Western union |
we can supply different kinds material for you:
HRC | CHEMICAL COMPOSITION(%) | International | DIN | ||||
C | W | Mo | Cr | V | |||
60-62 | 0.9-1.0 | 1.5-2.5 | 0.5-1.2 | 3.8-6.0 | 0.5-1.0 | T-4241 | / |
62-65 | 0.88-0.98 | 3.5-4.5 | 2.5-3.5 | 3.8-4.4 | 1.3-1.7 | 4341 | W4 |
63-66 | 0.77-0.87 | 8.5-9.5 | 2.7-3.3 | 3.8-4.4 | 1.3-1.7 | 9341 | W9 |
63-66 | 0.8-0.9 | 5.5-6.75 | 4.5-5.5 | 3.8-4.4 | 1.75-2.2 | 6542 | M2 |
64-67 | 0.9-0.95 | 5.5-6.5 | 4.5-5.5 | 3.8-4.4 | 1.75-2.2 | Co5% | M35 |
66-68 | 1.05-1.15 | 1.15-1.85 | 9.0-10.0 | 3.5-4.25 | 0.95-1.35 | Co8% | M42 |
HSS GRADE | HRC(Rockwell Hardness) |
Mo2Cr4Vsi--4241 | 60-62 |
Mo3Cr4Vsi--4341 | 62-65 |
Mo3Cr4V---9341 | 63-66 |
Mo5Cr4V2-6542/M2 | 63-66 |
Mo5Cr4V2Co5-M35 | 64-67 HSS Co5% |
D(mm) | L2(mm) | L1(mm) | D(mm) | L2 (mm) | L1(mm) | D(mm) | L2 (mm) | L1(mm) | D(mm) | L2 (mm) | L1(mm) |
0.2 | 2.5 | 19 | 1.95 | 24 | 49 | 6 | 57 | 93 | 11.2 | 94 | 142 |
0.22 | 2.5 | 19 | 2 | 24 | 49 | 6.1 | 63 | 101 | 11.3 | 94 | 142 |
0.25 | 3 | 19 | 2.05 | 24 | 49 | 6.2 | 63 | 101 | 11.4 | 94 | 142 |
0.28 | 3 | 19 | 2.1 | 24 | 49 | 6.3 | 63 | 101 | 11.5 | 94 | 142 |
0.3 | 3 | 19 | 2.15 | 27 | 53 | 6.4 | 63 | 101 | 11.6 | 94 | 142 |
0.32 | 4 | 19 | 2.2 | 27 | 53 | 6.5 | 63 | 101 | 11.7 | 94 | 142 |
0.35 | 4 | 19 | 2.25 | 27 | 53 | 6.6 | 63 | 101 | 11.8 | 94 | 142 |
0.38 | 4 | 19 | 2.3 | 27 | 53 | 6.7 | 63 | 101 | 11.9 | 101 | 151 |
0.4 | 5 | 20 | 2.35 | 27 | 53 | 6.8 | 69 | 109 | 12 | 101 | 151 |
0.42 | 5 | 20 | 2.4 | 30 | 57 | 6.9 | 69 | 109 | 12.1 | 101 | 151 |
0.45 | 5 | 20 | 2.45 | 30 | 57 | 7 | 69 | 109 | 12.2 | 101 | 151 |
0.48 | 5 | 20 | 2.5 | 30 | 57 | 7.1 | 69 | 109 | 12.3 | 101 | 151 |
0.5 | 6 | 22 | 2.55 | 30 | 57 | 7.2 | 69 | 109 | 12.4 | 101 | 151 |
0.52 | 6 | 22 | 2.6 | 30 | 57 | 7.3 | 69 | 109 | 12.5 | 101 | 151 |
0.55 | 7 | 24 | 2.65 | 30 | 57 | 7.4 | 69 | 109 | 12.6 | 101 | 151 |
0.58 | 7 | 24 | 2.7 | 33 | 61 | 7.5 | 69 | 109 | 12.7 | 101 | 151 |
0.6 | 7 | 24 | 2.75 | 33 | 61 | 7.6 | 75 | 117 | 12.85 | 101 | 151 |
0.62 | 8 | 26 | 2.8 | 33 | 61 | 7.7 | 75 | 117 | 12.9 | 101 | 151 |
0.65 | 8 | 26 | 2.85 | 33 | 61 | 7.8 | 75 | 117 | 13 | 101 | 151 |
0.68 | 9 | 28 | 2.9 | 33 | 61 | 7.9 | 75 | 117 | 13.1 | 101 | 151 |
0.7 | 9 | 28 | 2.95 | 33 | 61 | 8 | 75 | 117 | 13.2 | 101 | 151 |
0.72 | 9 | 28 | 3 | 33 | 61 | 8.1 | 75 | 117 | 13.3 | 108 | 160 |
0.75 | 9 | 28 | 3.1 | 36 | 65 | 8.2 | 75 | 117 | 13.4 | 108 | 160 |
0.78 | 10 | 30 | 3.2 | 36 | 65 | 8.3 | 75 | 117 | 13.5 | 108 | 160 |
0.8 | 10 | 30 | 3.3 | 36 | 65 | 8.4 | 75 | 117 | 13.6 | 108 | 160 |
0.82 | 10 | 30 | 3.4 | 39 | 70 | 8.5 | 75 | 117 | 13.7 | 108 | 160 |
0.85 | 10 | 30 | 3.5 | 39 | 70 | 8.6 | 81 | 125 | 13.8 | 108 | 160 |
0.88 | 11 | 32 | 3.6 | 39 | 70 | 8.7 | 81 | 125 | 13.9 | 108 | 160 |
0.9 | 11 | 32 | 3.7 | 39 | 70 | 880 | 81 | 125 | 14 | 108 | 160 |
0.92 | 11 | 32 | 3.8 | 43 | 75 | 8.9 | 81 | 125 | 14.25 | 114 | 169 |
0.95 | 11 | 32 | 3.9 | 43 | 75 | 9 | 81 | 125 | 14.5 | 114 | 169 |
0.98 | 12 | 34 | 4 | 43 | 75 | 9.1 | 81 | 125 | 14.75 | 114 | 169 |
1 | 12 | 34 | 4.1 | 43 | 75 | 9.2 | 81 | 125 | 15 | 114 | 169 |
1.05 | 12 | 34 | 4.2 | 43 | 75 | 9.3 | 81 | 125 | 15.25 | 120 | 178 |
1.1 | 14 | 36 | 4.3 | 47 | 80 | 9.4 | 81 | 125 | 15.5 | 120 | 178 |
1.15 | 14 | 36 | 4.4 | 47 | 80 | 9.5 | 81 | 125 | 15.75 | 120 | 178 |
1.2 | 16 | 38 | 4.5 | 47 | 80 | 9.6 | 87 | 133 | 16 | 120 | 178 |
1.25 | 16 | 38 | 4.6 | 47 | 80 | 9.7 | 87 | 133 | 16.25 | 125 | 184 |
1.3 | 16 | 38 | 4.7 | 47 | 80 | 9.8 | 87 | 133 | 16.5 | 125 | 184 |
1.35 | 18 | 40 | 4.8 | 52 | 86 | 9.9 | 87 | 133 | 16.75 | 125 | 184 |
1.4 | 18 | 40 | 4.9 | 52 | 86 | 10 | 87 | 133 | 17 | 125 | 184 |
1.45 | 18 | 40 | 5 | 52 | 86 | 10.2 | 87 | 133 | 17.25 | 130 | 191 |
1.5 | 18 | 40 | 5.1 | 52 | 86 | 10.3 | 87 | 133 | 17.5 | 130 | 191 |
1.55 | 20 | 43 | 5.2 | 52 | 86 | 10.4 | 87 | 133 | 17.75 | 130 | 191 |
1.6 | 20 | 43 | 5.3 | 52 | 86 | 10.5 | 87 | 133 | 18 | 130 | 191 |
1.65 | 20 | 43 | 5.4 | 57 | 93 | 10.6 | 87 | 133 | 18.5 | 135 | 198 |
1.7 | 20 | 43 | 5.5 | 57 | 93 | 10.7 | 94 | 142 | 18.75 | 135 | 198 |
1.75 | 22 | 46 | 5.6 | 57 | 93 | 10.8 | 94 | 142 | 19 | 135 | 198 |
1.8 | 22 | 46 | 5.7 | 57 | 93 | 10.9 | 94 | 142 | 19.25 | 140 | 205 |
1.85 | 22 | 46 | 5.8 | 57 | 93 | 11 | 94 | 142 | 19.5 | 140 | 205 |
1.9 | 22 | 46 | 5.9 | 57 | 93 | 11.1 | 94 | 142 | 19.75 | 140 | 205 |
20 | 140 | 205 |
Inch Size are available ( ANSI B94.11M-1993 Standard ):
Fractional Size: 1/16" ~ 1/2"
Letter Size: A ~ Z
Wire Gage Size: 1# ~ 60#
Set are available:
1/16" ~ 1/4" x 13 pcs set
1/16" ~ 3/8" x 21 pcs set
1/16" ~ 1/2" x 29 pcs set
115 pcs set
STARRY Drill bit can drilling holes on aluminium,plastic,wood,copper,iron.
1. 5/10 pieces packind in PVC bag, then in white paper box, then in carton. ( default bullk packing)
Q1: Do you have your own brand?
A1: Yes, the brand name is STARRY Tools, we can provide OEM services to our customers as well.
Q2: What's your target market?
A2: We mainly focus on Europe and South America right now.
Q3: What is the biggest advantage compared to the rivals?
A3: We are one of the strongest HSS Cutting tools supplier in China.
Q4: What is your MOQ?
A4: 500 pcs
Q5: What about the payment and delivery time?
A5: Delivery time: All items are ready in stock and can be sent within one week.
Payment: T/T.
100% protection for product quality, on-time shipment and payment
Q6: Can I get some samples?
A6: Yes, we are honored to offer you samples for quality check at your freight cost.
Q7: How does your factory do regarding quality control?
A7: Quality is priority. We always attach great importance to quality control from the very beginning to the end of the production. Every product will be carefully tested before it's packed for shipment.
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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