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Metal Drill Bits Factory Production

Metal Drill Bits

Industrial-Grade HSS, M2 & M35 Cobalt Twist Drills Engineered for Heavy Steel & Stainless Machining

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Engineered Precision by Jiangsu WRD Tools Co., Ltd.

Intertek Verified Onsite DIN Standard Tolerances 19 Years OEM/ODM Experience

As an ISO-compliant high-speed steel cutting tool manufacturer in Danyang, China, Jiangsu WRD Tools Co., Ltd. supplies high-precision metal drill bits conforming strictly to DIN 338, DIN 1897, DIN 340, DIN 1869, and DIN 345 specifications. From entry-level HSS 4241 rolled bits to CNC fully-ground M35 5% Cobalt jobber drills, our products are engineered for maximum chip evacuation, reduced thermal buildup, and repeatable hole accuracy in structural steel, aerospace alloys, and stainless steel.

Point Geometries 118° standard & 135° self-centring split points (DIN 1412C) eliminate center punching and walking.
Thermal Hardness HRC 63-65 (M2) to HRC 66-68 (M35 Cobalt) with vacuum & salt-bath heat treatment.
Surface Finishes Black Oxide, Bright/White Ground, Amber/Bronze Coated, TiN, and TiAlN coatings.
Customization Capacity Private-label laser branding, metric/fractional dimensions, and custom packaging.
Showing 16 Primary Industrial Metal Drilling Models (OEM/ODM Available)
Factory Direct Wholesale FOB
HOT SELLER
DIN338 2mm-10mm Black Oxide Rolled HSS Twist Drill Bit
CE CertifiedRoHS Compliant

DIN 338 2mm-10mm Black Oxide Rolled HSS Twist Drill Bit

HSS 4241 / HSS-R · 118° Point · Carbon steel & sheet metal

$0.03 - 0.04 MOQ: 105 pcs
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PRECISION
1/8 Inch Jobber Cobalt HSS Split Point Fully Ground Double End Drill Bit
CE CertifiedRoHS Compliant

1/8" Cobalt HSS Double End Rivet Center Drill Bit

M35 5% Cobalt · 135° Split Point · Sheet metal & automotive body

$0.21 - 0.25 MOQ: 500 pcs
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EXTRA LONG
Extra Long Series HSS Aircraft Extension Drill Bits
CE CertifiedRoHS Compliant

HSS Aircraft Extension Extra Long Series Twist Drill

HSS M2 / 6542 · Deep-cavity metal drilling & structural frames

$0.25 - 0.26 MOQ: 200 pcs
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HEAVY DUTY
1/2 Inch HSS M2 Silver & Deming Reduced Shank Twist Drill Bit
CE CertifiedRoHS Compliant

1/2" Silver & Deming Reduced Shank HSS M2 Drill Bit

13mm-32mm Diameters · 1/2" Round Shank · For portable drill chucks

$1.50 - 5.90 MOQ: 100 pcs
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AIRCRAFT
6 Inches HSS Straight Shank Aircraft Extension Twist Drill Bit
CE CertifiedRoHS Compliant

6" HSS Straight Shank Aircraft Extension Drill Bit

135° Split Point · Fully Ground · Stainless steel & aluminum

$0.70 - 0.90 MOQ: 500 pcs
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PRO SET
8Pcs TiN 1/2 Reduced Shank HSS M2 Twist Drill Bit Set
CE CertifiedRoHS Compliant

8-Piece TiN 1/2" Reduced Shank HSS M2 Drill Set

Titanium Nitride Coated · Hardwood Box / Metal Case Option

$39.00 MOQ: 10 sets
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DIN 1869
DIN 1869 Extra Length Aircraft HSS Twist Drill Bits
CE CertifiedRoHS Compliant

DIN 1869 Extra Length Metric Aircraft Twist Drill

HSS 6542 · Diameter 2.0–13.0 mm · Deep flute geometry

$0.19 - 0.23 MOQ: 500 pcs
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BEST SELLER
0.5mm-13mm HSS-G M2 M35 Cobalt Straight Shank Jobber Drill Bit
CE CertifiedRoHS Compliant

DIN 338 Fully Ground HSS-G M2 / M35 Cobalt Jobber Drill

CNC Fully Ground Flutes · 0.5–13.0 mm · Industrial standard

$0.07 - 0.10 MOQ: 500 pcs
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DOUBLE END
Fully Ground HSS 4341 Double Ended Drill Bit for Steel
CE CertifiedRoHS Compliant

Fully Ground HSS 4341 Double Ended Rivet Bit

Dual Working Ends · High Economy · Fast penetration

$0.05 - 0.06 MOQ: 500 pcs
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SERIES SET
DIN 1869 High Speed Steel Aircraft Extension Twist Drill Bits Set
CE CertifiedHigh-Speed Steel

DIN 1869 Extra Long HSS M2 Twist Drill Bit Set

Tough Tool Steel · Specialized Parabolic Flutes

$0.20 - 0.25 MOQ: 200 pcs
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LARGE SIZES
1/2 Reduced Shank Black Oxide Large Metal Drill Bit Set
CE CertifiedRoHS Compliant

1/2" Reduced Shank Black Oxide Drill Bit Kit

Sizes 9/16" to 1" · Rugged metal storage case included

$39.00 - 41.00 MOQ: 5 sets
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COBALT M35
M35 5% Cobalt Amber Coating 1/4 Hex Shank Twist Drill Bit
CE CertifiedRoHS Compliant

M35 5% Cobalt Amber Finish 1/4" Hex Shank Drill Bit

Quick change 1/4" hex shank · Extreme heat resistance

$0.07 - 0.09 MOQ: 10 pcs
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STAINLESS SPECIAL
DIN338 HSS M35 Cobalt Fully Ground Twist Drill Bits
CE CertifiedRoHS Compliant

DIN 338 M35 5% Cobalt Drill Bit for Inox & Hard Metal

Bronze oxide finish · 135° split point · Non-work-hardening

$0.09 - 0.10 MOQ: 500 pcs
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MORSE TAPER
DIN345 HSS M2 Morse Taper Shank Twist Drill Bit
CE CertifiedRoHS Compliant

DIN 345 Morse Taper Shank HSS M2 Twist Drill Bit

MT1 to MT5 Shanks · 10mm to 50mm · Lathe & radial drilling machines

$1.50 - 1.90 MOQ: 100 pcs
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DIN 1897
HSS M35 5% Cobalt DIN 1897 Stub Pilot Drill Bit
High PrecisionCobalt M35

DIN 1897 Extra Short Stub Pilot Twist Drill Bit

Stub length · Maximum torsional rigidity · Breakage resistant

$0.09 - 0.10 MOQ: 500 pcs
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STUB HEAD
Fully Ground DIN 1897 Extra Short Round Shank HSS Stub Head Drill Bit
CE CertifiedRoHS Compliant

DIN 1897 Fully Ground HSS Stub Head Twist Drill

HSS 4341 / M2 · High feed rates in CNC automatic screw machines

$0.03 - 0.05 MOQ: 500 pcs
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Technical Selection & Procurement Specifications

Select the ideal material grade and manufacturing standard for your regional market distribution requirements.

HSS Grade Hardness (HRC) Manufacturing Standard Recommended Target Materials Procurement Benefit
HSS 4241 62 - 63.5 DIN 338, DIN 1897 (Roll Forged / Edge Ground) Low-carbon steel, aluminum, brass, soft metals Highest cost efficiency for DIY retail blister kits
HSS 4341 63 - 64.5 DIN 338, Double Ended (Fully Ground) Structural steel, automotive sheet, profile sections Balanced toughness and wear resistance for contractor packs
HSS M2 (6542) 64 - 65.5 DIN 338, DIN 340, DIN 345, DIN 1869 (CNC Ground) Medium carbon steel, cast iron, die steel, alloy plate Global industrial benchmark; highest re-order stability
HSS M35 (Co 5%) 66 - 67.5 DIN 338, DIN 1897, Hex Shank (CNC Ground) Stainless steel (304, 316), titanium alloys, hard cast steel Premium red-hardness; resistant to extreme frictional heat

Looking for Custom OEM/ODM Metal Drill Bits?

Direct manufacturer pricing, customized flute geometries, private-label packaging, and certified sample kits.

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