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IRWIN Step Drill Bit: 1/2", Black Oxide HSS - High-Speed Steel Step Drill Bits
IRWINHigh-Speed Steel Step Drill Bits

IRWIN Step Drill Bit: 1/2", Black Oxide HSS

IRWIN High-Speed Steel Step Drill Bits.

SKU 3G-OTH-208883

Brand
IRWIN
Item
Step Drill Bit: 1/2", Black Oxide HSS
Category
High-Speed Steel Step Drill Bits
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

IRWIN
Manufacturer Part Number
10310

Technical Documents

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IRWIN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

IRWIN High-Speed Steel Step Drill Bits.

Frequently Asked Questions

What is the IRWIN Step Drill Bit 10310 used for?

The IRWIN 10310 step drill bit is used for drilling clean, burr-free holes in thin materials like sheet metal, plastic, and drywall. Its 1/2" maximum diameter and hex shank suit portable drills. 3G Electric supplies this bit across 14 industrial departments, including machining and electrical.

What are the specifications of the IRWIN Step Drill Bit 10310?

The IRWIN 10310 is a high-speed steel step drill bit with black oxide finish, a 1/2" maximum step diameter, and a hex shank for non-slip chuck grip. It is not impact rated. 3G Electric sources genuine IRWIN bits for worldwide delivery.

Where to buy the IRWIN Step Drill Bit 10310 worldwide?

3G Electric supplies the IRWIN 10310 step drill bit worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine IRWIN tools and deliver to your facility. Contact us for availability and lead time.

How to select the right step drill bit for sheet metal?

Choose a step drill bit like the IRWIN 10310 with a 1/2" max diameter for thin sheet metal. Ensure the shank matches your drill chuck—hex shanks prevent slipping. Black oxide HSS resists heat. 3G Electric can help you select the correct bit for your material thickness.

Used in

Common applications for IRWIN
Wood framing and decking — IRWIN ship auger bits (e.g., SKU 4AAT6) for deep drilling in timber
Electrical and plumbing installations — IRWIN hybrid utility bits (e.g., SKU 5ELR0) for drilling through wood and thin metal
Automotive assembly and repair — IRWIN power socket adapters (e.g., SKU 55EW60) for driving sockets with impact tools
General construction fastening — IRWIN impact Torx bits (e.g., SKU 787P77) for driving screws in metal and wood
Cabinet making and furniture assembly — IRWIN power bits (e.g., SKU 55EW15) for Phillips head screws in particle board and hardwood
Maintenance and repair tasks — IRWIN insert bits (e.g., SKU 55EW26) for quick bit changes in cordless screwdrivers

IRWIN Products

3G Electric supplies IRWIN high-speed steel step drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
IRWIN Step Drill Bit: 9/16" to 1", Black Oxide HSS, 3-Flats Shank (MPN 10220)
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IRWIN Step Drill Bit: 6 mm to 18 mm, Black Oxide HSS, 3-Flats Shank (MPN 11103)

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