We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

IRWIN Step Drill Bit: 1-1/8", Black Oxide HSS - High-Speed Steel Step Drill Bits
IRWINHigh-Speed Steel Step Drill Bits

IRWIN Step Drill Bit: 1-1/8", Black Oxide HSS

IRWIN High-Speed Steel Step Drill Bits.

SKU 3G-OTH-208889

Also listed as: 10313 ZR · 10313-ZR

Brand
IRWIN
Item
Step Drill Bit: 1-1/8", Black Oxide HSS
Category
High-Speed Steel Step Drill Bits
Available to Order
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Worldwide Shipping
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Technical specs
1-Day Quote
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

IRWIN
Manufacturer Part Number
10313ZR

Technical Documents

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

Product Description

IRWIN High-Speed Steel Step Drill Bits.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the IRWIN Step Drill Bit 10313ZR used for?

The IRWIN Step Drill Bit 10313ZR is used for drilling stepped holes in thin materials like sheet metal, plastic, and wood. Its black oxide HSS construction provides heat resistance and durability for general fabrication, electrical, and HVAC applications.

What are the specifications of the IRWIN Step Drill Bit 10313ZR?

The IRWIN Step Drill Bit 10313ZR has a 1-1/8 inch maximum step diameter, a 3-flats shank for secure chuck grip, and is made of black oxide high-speed steel. It is not impact rated. The manufacturer part number is 10313ZR.

Where to buy the IRWIN Step Drill Bit 10313ZR worldwide?

You can source the IRWIN Step Drill Bit 10313ZR through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable procurement for your operations.

How to select the correct IRWIN step drill bit size?

To select the correct IRWIN step drill bit, match the maximum step diameter (1-1/8 inch for model 10313ZR) to your hole size requirement. Ensure the material is suitable for HSS bits, and avoid impact-rated applications as this bit is not impact rated.

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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