HSS Twist Drill Bits
Type: Twist Drill Bit
Material: High Speed Steel
Usage: Metal Drilling
Basic Info.
Product Name: Power Tools 100% Satisfaction HSS M35 Twist Cobalt Drill Bits
Model NO.:DM4-C001
Type: Twist Drill Bit
Material: High Speed Steel
Usage: Metal Drilling
Size:1-20mm
Surface: Amber Finished, etc
Package: 5/10peiecs in a Plastic Box or Your Requirement
Transport Package:5/10 PCS in a Plastic Bag
Specification: MPA, CE, ISO, TUV
Product Description:
HSS TWIST DRILLS
|
Roll Forged, Black |
Rolled & Polished, White |
Fully Ground, White |
|
Fully Ground, In Coated |
Fully Ground, Black & Amber |
HSS Cobalt, Full Ground, Amber |
|
Product Name |
DIN338 Jobber Length M35 HSS Cobalt Drill Bit for Stainless Steel and Hard Metal |
|
Material |
M35(HSS-E HSS-Co5%) (HSS is Available) |
|
Process |
Fully Ground (Rolled & Polished, Rolled, Milled are Available) |
|
Standard |
DIN338 (Stub DIN1897, Long DIN340, Extra Long DIN1869, Blacksmith Reduced Shank 10mm, 13mm, DIN345 Taper Shank are Available) |
|
Jobber Length (Stub Screw Machine Length, Long Taper Length, Airctraft Extensoin. Extra Long 12", 18", 24", Silver & Deming 1/2" Reduced Shank are Available) |
|
|
Size |
1 - 20mm, 1/16" - 1'', A - Z, 1# - 90# |
|
Point Type |
135 Degree Split Point (118 Degree Regular Point, Turbo Max Point, Pilot Point are Available) |
|
Shank Type |
Straight Shank (Hex Shank, Tri-Flats Shank, Double R Hex Shank, Reduced Shank, Threaded Shank,Taper Shank are Available) |
|
Helix Angle |
Regular Spiral Type N (Slow Spiral Type H, Fast Spiral Type W, Left Hand Spiral are Available) |
|
Web & Flute Type |
Regular Web & Flute (Thick Web with Parabolic Flute, Heavy Duty Web with Regular Flute are Available) |
|
Surface Finish |
Amber Color (Bright, Black Oxide, Titanium, Black & Gold, Black & Bright are Available) |
|
Package |
10/5 Pcs in PVC Pouch, Plastic Box, Individually in Skin Card, Double Blister, Clamshell. |
|
Features |
1.Cobalt drill bits are more expensive than other drill bits, but if you regularly drill through metal, they are a good investment since they tend to last longer. |
|
2.No center punch is needed-the aggressive 135° Quick-Cut points are self-centering and penetrate quickly with lesspressure. Will not "walk" or "wander". |
|
|
3.Precision ground point, flutes, body, clearance and drill diameter for the ultimate in accuracy and performance. |
The Strength of HSS Twist Drill Bits:
High-Speed Steel (HSS) twist drill bits are widely used in various drilling applications due to their durability and versatility. The strength of HSS twist drill bits is determined by several factors:
1.Material Composition: HSS drill bits are made from a special type of steel that contains alloying elements like tungsten, molybdenum, chromium, and vanadium. These alloys enhance the hardness, wear resistance, and strength of the material. The specific composition can vary between different grades of HSS.
2.Hardness: HSS drill bits are heat-treated to achieve a specific hardness level. Heat treatment processes like quenching and tempering help in developing the right balance between hardness and toughness. Hardness is crucial because it determines how well the drill bit can resist deformation and wear during drilling.
3.Flute Design: The flute design, including the helix angle and flute geometry, affects the strength and chip evacuation capabilities of the drill bit. Proper flute design ensures efficient chip removal, reducing the risk of overheating and breakage.
4.Coatings: Some HSS drill bits come with coatings like titanium nitride (TiN) or cobalt for enhanced wear resistance. These coatings reduce friction and improve the overall strength of the drill bit by preventing wear on the cutting edges.
5.Point Angle: The point angle of the drill bit influences its strength and cutting performance. Different materials and applications require specific point angles for optimal drilling efficiency and reduced wear on the bit.
6.Manufacturing Quality: The manufacturing process, including precision grinding of cutting edges and overall quality control, is vital. High-quality manufacturing ensures consistency in the drill bit's dimensions, sharpness of cutting edges, and overall durability.
7.Proper Usage: The strength of HSS drill bits also depends on how they are used. Using the correct drilling speed, feed rate, and coolant/lubrication can prevent overheating and prolong the life of the drill bit.
HSS twist drill bits are suitable for drilling a wide range of materials, including metals, wood, plastics, and composites. However, for extremely hard or abrasive materials, specialized drill bits with carbide or cobalt substrates might be more appropriate due to their higher strength and wear resistance in such challenging conditions.
Hot Tags: hss twist drill bits, China hss twist drill bits manufacturers, suppliers, factory
Send Inquiry
