• Twist 4341 Tungsten Carbide Drill Bits Imperial Small Handle Fast Drilling Flute
  • Twist 4341 Tungsten Carbide Drill Bits Imperial Small Handle Fast Drilling Flute
Twist 4341 Tungsten Carbide Drill Bits Imperial Small Handle Fast Drilling Flute

Twist 4341 Tungsten Carbide Drill Bits Imperial Small Handle Fast Drilling Flute

Product Details:

Place of Origin: China
Brand Name: BWIN
Model Number: 13/16

Payment & Shipping Terms:

Minimum Order Quantity: 1pcs/box
Price: Negotiable
Packaging Details: Plastic box
Delivery Time: 7 work days
Payment Terms: T/T, Western Union,
Supply Ability: 1-10000pcs 7days
Get Best Price Contact Now

Detail Information

Product Name: Twist 4341 Hss Tungsten Carbide Drill Bit Model: 1mm Small Handle HSS Drill Bit
Feature: High Hardness Usage: Drill Hole
Advantage: High Drilling Processing Type: Drilling
Customized Support: OEM, ODM Standard: Imperial
High Light:

Twist 4341 Tungsten Carbide Drill Bits

,

Twist Drill Bits Fast Drilling Flute

,

Tungsten Carbide Drill Bits Fast Drilling Flute

Product Description

Hss Twist 4341 Hss Tungsten Carbide Drill Bit Imperial Small Handle Fast Drilling Flute

 

Quick Detail:

  • High quality material selection
  • High hardness
  • Quick opening
  • Smooth chip removal
  • Durable

 

Description:

  • The whole 4341 high speed steel is forged, with higher hardness and durability
  • CNC fine grinding 118 ° double rear corners, sharper cutting and faster drilling speed
  • Widen chip discharge groove, with efficient chip discharge speed, effectively preventing blade burning caused by accumulated temperature
  • Universal shank for tighter clamping

 

Specifications:​

Brand BWIN
Model Tungsten Carbide Drill Bits For Machine Tools
Workpiece Cast iron/Steel /Stainless steel /Aluminum /copper
Type Nail Tungsten Carbide Drill Bit
Material Tungsten Carbide Drill Bits
Processing Type Medium Cutting
Feature High quality material selection
High hardness
Quick opening
Smooth chip removal
Durable
Standard ISO
Quantity 1pcs/box
Surface Finish  Black Oxide (Black White, Gray Bright)
Package Plastic Box
Customized Support OEM, ODM

 

Lead Time:

antity(pieces) 1 - 3000 >3000
Lead time (days) 7 To be negotiated

 

Parameter:

3D/5D External Cooling Cutting Parameters

Processed
materials

 

Mild steel
HB≤180
Prehardened steel
-40HRC
stainless steel cast iron aluminium alloy

heat-resisting

alloy

vc/(m/min) 60~120m/min 40~70m/min 25~40m/min 60~120m/min 60~14m/min 15~25m/min
D(mm) N
(min)
F
(mm/r)
N
(min)
F
(mm/r)
N
(min)
F
(mm/r)
N
(min)
F
(mm/r)
N
(min)
F
(mm/r)
N
(min)
F
(mm/r)
2 14000 0.06~
0.08
9500 0.06~
0.08
5500 0.02~
0.05
14000 0.06~
0.08
16000 0.06~
0.08
3200 0.02~
0.04
3 9500 0.09~
0.12
6300

0.09~

0.12

3700 0.03~
0.07
9500 0.09~
0.12
10600 0.09~
0.12
1200 0.03~
0.06
4 7000 0.10~
0.15
4700 0.10~
0.15
2700 0.04~
0.08
7000 0.10~
0.15
8000 0.10~
0.15
1600

0.04~

0.07

5 5700 0.12~
0.18
3800 0.12~
0.18
2200 0.05~
0.10
5700 0.12~
0.18
6400 0.12~
0.18
1250 0.05~
0.09
6 4700 0.14~
0.20
3100 0.14~
0.20
1850 0.06~
0.12
4700 0.14~
0.20
5300 0.14~
0.20
1050 0.06~
0.11
8 3600 0.16~
0.24
2400 0.16~
0.24
1400 0.08~
0.16
3600 0.16~
0.24
4000 0.16~
0.24
800 0.08~
0.14
10 2800 0.18~
0.27
1900 0.18~
0.27
1100 0.18~
0.27
2800 0.27~
0.18
3200 0.18~
0.27
600 0.10~
0.16
12 2400 0.20~
0.3
1600 0.20~
0.3
930 0.12~
0.20
2400 0.20~
0.3
2700 0.20~
0.3
500 0.12~
0.18
14 2100 0.22~
0.35
1400 0.22~
0.35
800 0.13~
0.22
2100 0.22~
0.35
2300 0.22~
0.35
450 0.13~
0.2
16 1800 0.25~
0.36
1200 0.25~
0.36
700 0.25~
0.36
1800 0.25~
0.36
2000 0.25~
0.36
400 0.14~
0.23
18 1600 0.28~
0.38
1100 0.28~
0.38
620 0.28~
0.38
1600 0.28~
0.38
1800 0.28~
0.38
350 0.15~
0.25
20 1400 0.30~
0.4
950 0.30~
0.4
550 0.30~
0.4
1400 0.30~
0.4
1600 0.30~
0.4
320 0.16~
0.28

3D/5D internal cooling cutting parameter

Processed

materials

 

Mild steel

HB≤180

Prehardened steel

-40HRC

stainless steel

cast iron

aluminium alloy

heat-resisting

alloy

vc/(m/min)

60~120m/min

40~70m/min

25~40m/min

60~120m/min

60~14m/min

15~25m/min

D(mm)

N

(min)

F

(mm/r)

N

(min)

F

(mm/r)

N

(min)

F

(mm/r)

N

(min)

F

(mm/r)

N

(min)

F

(mm/r)

N

(min)

F

(mm/r)

3

12700

0.09~

0.12

7400

0.09~

0.12

6300

0.03~

0.07

12700

0.09~

0.12

15000

0.09~

0.12

1200

0.03~

0.06

4

9600

0.10~

0.15

5600

0.10~

0.15

4700

0.04~

0.08

9600

0.10~

0.15

11000

0.10~

0.15

1600

0.04~

0.07

5

7600

0.12~

0.18

4500

0.12~

0.18

3800

0.05~

0.10

7600

0.12~

0.18

9000

0.12~

0.18

1250

0.05~

0.09

6

6400

0.14~

0.20

3700

0.14~

0.20

3200

0.06~

0.12

6400

0.14~

0.20

7400

0.14~

0.20

1050

0.06~

0.11

8

4800

0.16~

0.24

2800

0.16~

0.24

2400

0.08~

0.16

4800

0.16~

0.24

5600

0.16~

0.24

800

0.08~

0.14

10

3800

0.18~

0.27

2200

0.18~

0.27

1900

0.18~

0.27

3800

0.27~

0.18

4500

0.18~

0.27

600

0.10~

0.16

12

3200

0.20~

0.3

1900

0.20~

0.3

1600

0.12~

0.20

3200

0.20~

0.3

3700

0.20~

0.3

500

0.12~

0.18

14

2700

0.22~

0.35

1600

0.22~

0.35

1350

0.13~

0.22

2700

0.22~

0.35

3200

0.22~

0.35

450

0.13~

0.2

16

2400

0.25~

0.36

1400

0.25~

0.36

1200

0.14~

0.25

2400

0.25~

0.36

2800

0.25~

0.36

400

0.14~

0.23

18

2100

0.28~

0.38

1200

0.28~

0.38

1050

0.15~

0.28

2100

0.28~

0.38

2500

0.28~

0.38

350

0.15~

0.25

20

1900

0.30~

0.4

1100

0.30~

0.4

950

0.16~

0.30

1900

0.30~

0.4

2300

0.30~

0.4

320

0.16~

0.28

  • When using this tungsten carbide drill bits for the first time, try to cut at 90% of the cutting speed or 85% of the feed speed according to the above data, and then increase the cutting speed and feed rate one by one after the cutting condition is stable
  • This standard cutting condition is applicable to water-soluble cutting fluid
  • When installing the tool, please use a clean chuck with defects removed, and control the radial runout of the drill bit within 0.02mm
  • The cutting conditions in this table are applicable to situations with hole depth below 5D

 

Notice:

  • When drilling steel parts, please ensure sufficient cooling capacity and use metal cutting fluid.
  • Good drill pipe rigidity and guide rail clearance can improve drilling accuracy and bit life.
  • Please ensure the flatness and cleanness between the magnetic base and the workpiece.
  • When drilling thin plates, reinforce the workpieces. When drilling large workpieces, ensure that the workpieces are stable.
  • At the beginning and end of drilling, the feed rate shall be reduced by 1/3.
  • For materials with large amount of fine powder during drilling, such as cast iron, cast copper, etc., compressed air can be used instead of coolant to help remove chips.
  • Please remove the iron scraps wrapped on the drill body in time to ensure smooth chip removal.

 

Applications:

Our tungsten carbide drill bits could to be processed Alloy steel, Tool steel, carbon steel, stainless steel, Cast iron and Titanium alloy. Working material as following:

Cbn insert Snmg120408 turning inserts Cnc Insert Turning Tool Snmg 120408

FAQ

Q1. Excessive aperture

Reasons: 1. The cemented carbide drill is not well clamped, and the runout of the spindle itself is too large

                2.  Asymmetrical sharp angle, excessive blade height difference, eccentric cross blade

Solution:  1. select high-quality tool handle and fixture, calibrate the spindle, and carefully measure and adjust each time the drill is clamped

                2. Re sharpen and correct, and check the accuracy after sharpening

 

Q2. Poor consistency of aperture

Reasons: 1. Asymmetrical sharp angle, too large difference in blade height, eccentric transverse edge, and too much wear on edge surface

                2. The cemented carbide drill bit is not properly clamped, the runout of the spindle itself is too large, and the workpiece is not firmly clamped

                3. Excessive feed speed

                4. Insufficient cutting fluid supply

Solution:  1. Re sharpen the drill and check the accuracy after sharpening

                2. Select a good tool handle and fixture, calibrate the spindle, and carefully measure and adjust each time the drill is clamped

                3. Reduce the feed speed of cemented carbide drill

                4. Change the cutting fluid supply method and increase the flow).

 

Q3. Poor hole straightness and verticality

Reasons: 1. Excessive tool wear

                2. Asymmetrical sharp angle, excessive blade height difference, eccentric cross blade

                3. Insufficient rigidity

                4. Uneven cutting plane

Solution: 1. Re sharpen

               2. Re sharpen and correct, and check the accuracy after sharpening

               3. Improve the rigidity of machine tools, jigs, cemented carbide drills, etc

               4. Check the levelness of the pre machined surface

 

Q4. Poor hole location and poor consistency of center distance

Reasons: 1. The drill bit is not properly clamped, and the spindle itself has excessive runout

                2. Deviation during cutting

                3. Machine tool accuracy loss

                4. The centering effect of cemented carbide bit is poor, and the cross edge is eccentric

Solution:  1. select a good tool handle and fixture, calibrate the spindle, and carefully measure and adjust each time the drill is clamped

                2. Improve the rigidity of the cutter and machine tool, and the rigidity of the workpiece and fixture. Use the drill type with good cutting performance, and check the levelness of the cutting surface

                3. Check the accuracy of the machine tool

                4. Re sharpen the carbide bit, and check the accuracy after sharpening

 

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