Product Details
Place of Origin: CHINA
Brand Name: STARRY and OEM
Certification: ISO9000
Model Number: 3mm 3.2mm 4mm 5mm 6mm 8mm 10mm
Payment & Shipping Terms
Minimum Order Quantity: 500
Price: Negotiable
Packaging Details: Plastic tube;Paper Color box;Plastic box;BOSCH box.
Delivery Time: 30-45days
Payment Terms: T/T, MoneyGram
Supply Ability: 3000000/PCS Per Month
Product Name: |
Roll Forged Twist Drill Bits |
Material: |
HSS-4241 |
Surface:: |
White Finished;Black Finished,Tin Coated |
Shank: |
Paraller Shank |
Degree Point: |
118° |
Application: |
Metal, Steel Plate |
Hardness: |
60-62HRC |
Produce Process: |
Roll Forged |
Product Name: |
Roll Forged Twist Drill Bits |
Material: |
HSS-4241 |
Surface:: |
White Finished;Black Finished,Tin Coated |
Shank: |
Paraller Shank |
Degree Point: |
118° |
Application: |
Metal, Steel Plate |
Hardness: |
60-62HRC |
Produce Process: |
Roll Forged |
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 |
DIN338 HSS-4241 Roll Forged Twist Drill Bits
| Type: | HSS twist drill bit |
| Shank: | Straight Shank |
| Surface Finish: | Grey finished |
| Standard: | DIN338 |
| Hss Material: | 4241 |
| Product Technic: | Roll Forged |
| Ponit Angle: | 118° / 135° or Split point |
| Payment Term: | TT,or Western union |
| d1 | L1 | L2 |
|---|---|---|
| mm | mm | mm |
| 2,0 | 49 | 24 |
| 2,1 | 49 | 24 |
| 2,2 | 53 | 27 |
| 2,3 | 53 | 27 |
| 2,4 | 57 | 30 |
| 2,5 | 57 | 30 |
| 2,6 | 57 | 30 |
| 2,7 | 61 | 33 |
| 2,8 | 61 | 33 |
| 2,9 | 61 | 33 |
| 3,0 | 61 | 33 |
| 3,1 | 65 | 36 |
| 3,2 | 65 | 36 |
| 3,3 | 65 | 36 |
| 3,4 | 70 | 39 |
| 3,5 | 70 | 39 |
| 3,6 | 70 | 39 |
| 3,7 | 70 | 39 |
| 3,8 | 75 | 43 |
| 3,9 | 75 | 43 |
| 4,0 | 75 | 43 |
| 4,1 | 75 | 43 |
| 4,2 | 75 | 43 |
| 4,3 | 80 | 47 |
| 4,4 | 80 | 47 |
| 4,5 | 80 | 47 |
| 4,6 | 80 | 47 |
| 4,7 | 80 | 47 |
| 4,8 | 86 | 52 |
| 4,9 | 86 | 52 |
| 5,0 | 86 | 52 |
| 5,1 | 86 | 52 |
| 5,2 | 86 | 52 |
| 5,3 | 86 | 52 |
| 5,4 | 93 | 57 |
| 5,5 | 93 | 57 |
| 5,6 | 93 | 57 |
| 5,7 | 93 | 57 |
| 5,8 | 93 | 57 |
| 5,9 | 93 | 57 |
| 6,0 | 93 | 57 |
| 6,1 | 101 | 63 |
| 6,2 | 101 | 63 |
| 6,3 | 101 | 63 |
| 6,4 | 101 | 63 |
| 6,5 | 101 | 63 |
| 6,6 | 101 | 63 |
| 6,7 | 101 | 63 |
| 6,8 | 109 | 69 |
| 6,9 | 109 | 69 |
| 7,0 | 109 | 69 |
| 7,1 | 109 | 69 |
| 7,2 | 109 | 69 |
| 7,3 | 109 | 69 |
| 7,4 | 109 | 69 |
| 7,5 | 109 | 69 |
| 7,6 | 117 | 75 |
| 7,7 | 117 | 75 |
| 7,8 | 117 | 75 |
| 7,9 | 117 | 75 |
| 8,0 | 117 | 75 |
| 8,1 | 117 | 75 |
| 8,2 | 117 | 75 |
| 8,3 | 117 | 75 |
| 8,4 | 117 | 75 |
| 8,5 | 117 | 75 |
| 8,6 | 125 | 81 |
| 8,7 | 125 | 81 |
| 8,8 | 125 | 81 |
| 8,9 | 125 | 81 |
| 9,0 | 125 | 81 |
| 9,1 | 125 | 81 |
| 9,2 | 125 | 81 |
| 9,3 | 125 | 81 |
| 9,4 | 125 | 81 |
| 9,5 | 125 | 81 |
| 9,6 | 133 | 87 |
| 9,7 | 133 | 87 |
| 9,8 | 133 | 87 |
| 9,9 | 133 | 87 |
| 10,0 | 133 | 87 |
| 10,1 | 133 | 87 |
| 10,2 | 133 | 87 |
| 10,3 | 133 | 87 |
| 10,4 | 133 | 87 |
| 10,5 | 133 | 87 |
| 10,6 | 133 | 87 |
| 10,7 | 142 | 94 |
| 10,8 | 142 | 94 |
| 10,9 | 142 | 94 |
| 11,0 | 142 | 94 |
| 11,1 | 142 | 94 |
| 11,2 | 142 | 94 |
| 11,3 | 142 | 94 |
| 11,4 | 142 | 94 |
| 11,5 | 142 | 94 |
| 11,6 | 142 | 94 |
| 11,7 | 142 | 94 |
| 11,8 | 142 | 94 |
| 11,9 | 151 | 101 |
| 12,0 | 151 | 101 |
| 12,1 | 151 | 101 |
| 12,2 | 151 | 101 |
| 12,3 | 151 | 101 |
| 12,4 | 151 | 101 |
| 12,5 | 151 | 101 |
| 12,6 | 151 | 101 |
| 12,7 | 151 | 101 |
| 12,8 | 151 | 101 |
| 12,9 | 151 | 101 |
| 13,0 | 151 | 101 |
| 13,1 | 151 | 101 |
| 13,2 | 151 | 101 |
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
Roll forged Drill bit can drilling holes on aluminium,plastic,wood,copper,iron.
Produced by hot roll-forged technology. The high twisting moment and elasticity enable using by hand drilling devices and conventional machinery for low alloyed steel, cast, ferrous and non-ferrous metals.
Packing:
1. 5/10 pieces packind in PVC bag, then in white paper box, then in carton. ( default bullk packing)
FAQ:
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.
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