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7/8" - 1-3/8" High Speed Steel M2 3/8-Inch Hex Shank 3-Step Core Drill Bit for Metal
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7/8" - 1-3/8" High Speed Steel M2 3/8-Inch Hex Shank 3-Step Core Drill Bit for Metal

Material: 6542 High Speed Steel
Shank Type : 3/8'' Hex
Flute Type: Straight Groove
Overall Length: 1.8'' (4.6 cm)
Overall Height: 3.6'' (9.4 cm)
Overall Width: 1.8'' (4.6 cm)
Coating: Aluminum Titanium Nitride
Quick Reference: #15
Number of Holes: 3
Size: 7/8'' to 1-3/8'' (22.2 to 34.9 mm)

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Product Description

  • Two straight flutes on this Step Drill Bit provide chip removal and cleaner cuts.

  • With hole sizes ranging from 7/8" to 1-3/8, this 3-hole Step Drill Bit offers versatility and accommodates various drilling needs.

  • Step bits are coated with aluminum titanium nitride, providing a durability that is 10 times greater than black oxide, ensuring an extended bit lifespan.

Application
HSS Grade
Iron
Aluminum
Carbon Steel
Tile
Plastic
Stainless Steel
4241
YES
YES
NO
NO
YES
NO
4341YESYESYESNOYESYES
6542(M2)
YES
YES
YES
NO
YES
GOOD
M35 (Co 5%)
YES
YES
YES
NO
YES
VERY GOOD



DESCRIPTION OF HSSCWMoCrVCoSiMnPS

%%%%%%%%%%
W4Mo3Cr4V(4341)0.88-0.983.5-4.52.5-3.53.8-4.41.2-1.8
0.5-1.20.2-0.4<=0.03<=0.03
W6Mo5Cr4V2(M2)0.8-0.95.5-6.754.5-5.53.8-4.41.75-2.2-0.2-0.40.2-0.4<=0.03<=0.03
W6Mo5Cr4V2Co5(M35)0.9-0.955.5-6.54.5-5.53.8-4.41.75-2.24.5-5.50.2-0.40.2-0.4<=0.03<=0.03
W2Mo9Cr4V2Co8(M42)1.05-1.151.15-1.859.0-10.03.5-4.250.95-1.257.75-8.750.15-0.650.15-0.4<=0.02<=0.025


Metric sizeSIZE RANGEINCREMENTSTEP NO.SHANK
4-121mm96mm
4-122mm56mm
4-202mm98mm
4-222mm108mm
5-352-3mm1313mm
6-121mm78mm
6-182mm710mm
6-202mm810mm
6-302mm1310mm
6-302-3mm1210mm
6-382-3mm1210mm
9-363mm1010mm
10-201mm1110mm
10-455mm813mm
12-201mm910mm
14-242mm613mm
20-301mm1113mm
20-342mm813mm
Imperial size1/8"-1/2"1/32"131/4"
3/16"-1/2"1/16"61/4"
1/4"-3/4"1/16"93/8"
3/16"-7/8"1/16"123/8"
9/16"-1"1/16"81/2"
13/16"-1-3/8"1/16"101/2"
1/4"-1-3/8"1/8"10

1/2

"

Custom OEM/ODM Solutions

  • Product Customization:

    • Submit your design drawings or physical samples – we engineer precision twist drills tailored to your specifications.

    • Optimize existing tools for enhanced durability, cutting speed, or cost efficiency.

Packaging Design

  • Retail-Ready Solutions:

    • Custom-branded boxes, multi-language manuals, or eco-friendly packaging.

    • Design-to-delivery support for seamless market entry.


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