3 8 M2 HSS Twist Drill Bits High Speed Steel Jobber For DIY HRC64
General Purpose HSS Drill Bits – M2 High Speed Steel Jobber Length for DIY & Workshop Use
Product Overview
The M2 HSS jobber drill bit is a versatile and cost-effective cutting tool designed for general-purpose drilling. Manufactured from M2 grade high-speed steel, it offers excellent toughness, good wear resistance, and reliable performance across a wide range of materials. With options for 118° or 135° split point tips, these drill bits deliver smooth starts, accurate positioning, and efficient chip evacuation. Produced by XINGRUI, they are an ideal choice for workshops, maintenance, and industrial users requiring dependable drilling tools at a competitive price.
Manufacturing & Design
M2 high-speed steel provides a balanced combination of hardness and toughness, making it suitable for both professional and DIY applications. Each drill bit is fully ground to maintain concentricity, reduce vibration, and achieve precise hole sizing. Depending on requirements, the drill bits can be supplied with a bright finish, black oxide, or TiN coating to enhance durability and extend service life. The straight shank design ensures compatibility with standard keyed and keyless drill chucks.
Applications
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Metals: Mild steel, aluminum, copper, brass, and cast iron
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Woodworking: Softwood, hardwood, plywood, MDF, particleboard
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Plastics & Composites: PVC, acrylic, fiberglass, polycarbonate
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General Maintenance: Workshop repairs, machine service, and DIY projects
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Fabrication & Construction: Sheet metal work, light machining, assembly
⚠️ For stainless steel or hardened alloys, cobalt drill bits (M35/M42) are recommended.
Advantages
M2 HSS material – balance of hardness, wear resistance, and toughness
Jobber length – suitable for versatile drilling applications
118° or 135° split point – accurate drilling and reduced walking
Multiple finishes – bright, black oxide, or TiN coating available
Straight shank design – universal fit for drill presses and hand drills
Economical choice – reliable quality at competitive pricing
Specifications (Inch Sizes – ANSI Standard, 1/16” to 1/2”)
| Size (inch) | Decimal (in.) | Overall Length (mm) | Flute Length (mm) |
|---|---|---|---|
| 1/16 | 0.0625 | 50 | 18 |
| 5/64 | 0.0781 | 55 | 24 |
| 3/32 | 0.0938 | 60 | 28 |
| 7/64 | 0.1094 | 65 | 33 |
| 1/8 | 0.1250 | 70 | 36 |
| 9/64 | 0.1406 | 75 | 40 |
| 5/32 | 0.1562 | 80 | 43 |
| 11/64 | 0.1719 | 85 | 47 |
| 3/16 | 0.1875 | 90 | 52 |
| 13/64 | 0.2031 | 93 | 55 |
| 7/32 | 0.2188 | 96 | 57 |
| 15/64 | 0.2344 | 100 | 60 |
| 1/4 | 0.2500 | 102 | 65 |
| 17/64 | 0.2656 | 107 | 70 |
| 9/32 | 0.2812 | 112 | 74 |
| 19/64 | 0.2969 | 116 | 77 |
| 5/16 | 0.3125 | 119 | 80 |
| 21/64 | 0.3281 | 123 | 84 |
| 11/32 | 0.3438 | 127 | 87 |
| 23/64 | 0.3594 | 131 | 90 |
| 3/8 | 0.3750 | 135 | 94 |
| 25/64 | 0.3906 | 138 | 97 |
| 13/32 | 0.4062 | 142 | 100 |
| 27/64 | 0.4219 | 146 | 103 |
| 7/16 | 0.4375 | 150 | 106 |
| 29/64 | 0.4531 | 152 | 109 |
| 15/32 | 0.4688 | 154 | 112 |
| 31/64 | 0.4844 | 156 | 114 |
| 1/2 | 0.5000 | 160 | 118 |
Metric sizes 1.0–13.0mm (0.5mm increments) also available.
Packaging Options
Single Pack: PVC tube or polybag per piece
Bulk Pack: 10pcs or 20pcs per tube or box
Retail Pack: Blister cards, plastic boxes, or color cartons
Set Options: 13, 19, or 29-piece jobber drill sets in plastic or metal cases
OEM/ODM: Laser logo marking, custom labeling, and private packaging
FAQ
Q1: What materials can M2 drill bits cut?
They are suitable for mild steel, aluminum, cast iron, wood, and plastics.
Q2: What’s the difference between M2 and M42 drill bits?
M2 is versatile and economical, while M42 (with 8% cobalt) is better for stainless steel and hardened metals.
Q3: Are these drill bits coated?
They can be supplied in bright finish, black oxide, or TiN coating depending on customer requirements.
Q4: Do you provide drill bit sets?
Yes, sets are available in both inch and metric sizes, with various packaging options.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.