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Home > products > HSS Drill Bits > Bright Finish HSS Drill Bits For Hardened Steel DIN 338 Straight Shank Left Hand twist drill bits

Bright Finish HSS Drill Bits For Hardened Steel DIN 338 Straight Shank Left Hand twist drill bits

Product Details

Place of Origin: CHINA

Brand Name: STARRY

Certification: ISO9000

Model Number: 4.2mm

Payment & Shipping Terms

Minimum Order Quantity: 500pcs hss cobalt jobber drill bit

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

Get Best Price
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Product Name:
HSS 5% Cobalt Twist Drill Bit
Shank:
Paraller Shank
Drill Bit Hardness:
60-66HRC
Process:
Fully Ground
Name:
DIN338 Hss Fully Ground Drill Bit
Degree Point:
135°
Material:
HSS-M2;M35 Cobalt Drill Bit
Surface:
Bright Finished(amber/black Color)
Usage:
Drilling Holes In Metal
Oem:
Available
Product Name:
HSS 5% Cobalt Twist Drill Bit
Shank:
Paraller Shank
Drill Bit Hardness:
60-66HRC
Process:
Fully Ground
Name:
DIN338 Hss Fully Ground Drill Bit
Degree Point:
135°
Material:
HSS-M2;M35 Cobalt Drill Bit
Surface:
Bright Finished(amber/black Color)
Usage:
Drilling Holes In Metal
Oem:
Available
Bright Finish HSS Drill Bits For Hardened Steel DIN 338 Straight Shank Left Hand twist drill bits

Bright finished DIN338 standard hss drill bit,Straight shank left hand flute hss drill bit for stainless steel

HSS Drill bits are cutting tools used to create cylindrical holes, almost always of circular cross-section. Bits are held in a tool called a drill, which rotates them and provides torque and axial force to create the hole. Specialized bits are also available for non-cylindrical-shaped holes.

 

A:Material and Hardness:

 

DESCRIPTION OF HSS C W Mo Cr V Co Si Mn P S
  % % % % % % % % % %
W2MoCr4V(F4341) 0.95-1.05 1.7-2.4 0.8-1.2 3.8-4.4 0.8-1.2   1.0-1.4 0.2-0.4 <=0.03 <=0.03
W4Mo3Cr4V(4341) 0.88-0.98 3.5-4.5 2.5-3.5 3.8-4.4 1.2-1.8   0.5-1.2 0.2-0.4 <=0.03 <=0.03
W9Mo3Cr4V(9341) 0.77-0.87 8.5-9.5 2.7-3.3 3.8-4.4 1.3-1.7 - 0.2-0.4 0.2-0.4 <=0.03 <=0.03
W6Mo5Cr4V2(M2) 0.8-0.9 5.5-6.75 4.5-5.5 3.8-4.4 1.75-2.2 - 0.2-0.4 0.2-0.4 <=0.03 <=0.03
W6Mo5Cr4V2Co5(M35) 0.9-0.95 5.5-6.5 4.5-5.5 3.8-4.4 1.75-2.2 4.5-5.5 0.2-0.4 0.2-0.4 <=0.03 <=0.03
W2Mo9Cr4V2Co8(M42) 1.05-1.15 1.15-1.85 9.0-10.0 3.5-4.25 0.95-1.25 7.75-8.75 0.15-0.65 0.15-0.4 <=0.02 <=0.025

 

Name: hss-m35 twist drill bit
Material: High Speed Steel HSS M35 (M2 4341 4241 are avaliable)
Dia Size: 12mm
Flute length 101mm
Overall length 151mm
Quality Guaranteed: Perfect quality with 100% Guaranted
Process: Fully Ground(mill/roll forged are avaliable)
Shank type: Parallel shank
Standard: Each drill bit is manufactured strictly according to exacting specifications of DIN338
Special design: 135 Degree Split Point starts on contact with no walking or skating and no center punch is required
Applied material: Stainless steel, aluminum, copper, steel and other high hardness metal
Packing: 5pcs/Plastic box; 50pcs/carton
Weight: 0.54/Plastic box
Carton volume: 14*9*17cm

 

B:Application:

Drilling holes on aluminium,plastic,wood,copper,iron,stainless steel.

DIY;Trade;Automotive;Electrician;Plumber;Carpenter;General Contractor;Woodworker;Metalworker;Machine Shop;MRO.

 

Bright Finish HSS Drill Bits For Hardened Steel DIN 338 Straight Shank Left Hand twist drill bits 0

 

Cobalt DRILL BIT:
The 5% cobalt formula improves abrasive & heat resistance, for increased strength at higher drilling
temperatures.

135° Split Point Enables accurate positioning and less drilling pressure.

Advantages:

1. Adequate supply,promt delivery. We have five stores and a warehouse in GuangDong with sufficient supply.Buy now,ship immediately.

2. HSS M35 5%Co material .The drill bit has higher hardness and wear resistance which suits drilling stainless steel,cooper,cast steel etc high hardness metal.

3. Sharp blade. The blade processed by full mill is more sharper and has excellent performance in chip removal.

4. Deeper chip removing groove.Double screw thread groove makes the drill bit having excellent performance in chip removal.

5. Thick plastic packaging box to prevent damage to the drill bit during transportation.

Produce Process:

Bright Finish HSS Drill Bits For Hardened Steel DIN 338 Straight Shank Left Hand twist drill bits 1

3. SIZE:

Bright Finish HSS Drill Bits For Hardened Steel DIN 338 Straight Shank Left Hand twist drill bits 2

 

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

Packing:

1. 5/10 pieces packind in PVC bag, then in white paper box, then in carton. ( default bullk packing)

 

Bright Finish HSS Drill Bits For Hardened Steel DIN 338 Straight Shank Left Hand twist drill bits 3

 

2.Plastic tube,Blister Packing,PVC bags with card,Metal Box and so on.

 

Bright Finish HSS Drill Bits For Hardened Steel DIN 338 Straight Shank Left Hand twist drill bits 4

 

 

Bright Finish HSS Drill Bits For Hardened Steel DIN 338 Straight Shank Left Hand twist drill bits 5