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IRWINSpur Auger Drill Bits

IRWIN Auger Drill Bit: 1/2 in Drill Bit Size, Hex Shank, 5/16 in Shank Hex Size

The IRWIN Spur Auger Drill Bit (MPN 49908) is a 1/2 in drill bit size spur auger bit with a hex shank of 5/16 in shank hex size. It is constructed from steel with a PTFE coating.

SKU 3G-OTH-191739

Brand
IRWIN
Item
Auger Drill Bit: 1/2 in Drill Bit Size, Hex Shank, 5/16 in Shank Hex Size
Category
Spur Auger Drill Bits
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

IRWIN
Manufacturer Part Number
49908
Type
Hex Shank, Spur Auger Auger
Shank Hex Size
5/16 in

Technical Documents

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

Product Description

The IRWIN Spur Auger Drill Bit (MPN 49908) is a 1/2 in drill bit size spur auger bit with a hex shank of 5/16 in shank hex size. It is constructed from steel with a PTFE coating.

Frequently Asked Questions

What is the IRWIN Spur Auger Drill Bit used for?

The IRWIN Spur Auger Drill Bit (MPN 49908) is designed for drilling clean, precise holes in wood. Its spur tip scores the wood fibers for a smooth entry, making it ideal for carpentry, framing, and general construction applications where accuracy and chip removal are critical.

What are the specifications of the IRWIN 49908 auger bit?

The IRWIN 49908 is a 1/2 in drill bit size spur auger bit with a 5/16 in hex shank. It is made from steel with a PTFE coating for reduced friction and easier withdrawal. The hex shank prevents slipping in compatible chucks, ensuring consistent torque transfer during drilling.

Where to buy IRWIN auger drill bits worldwide?

IRWIN auger drill bits are available to order through 3G Electric, a global industrial equipment distributor. We source and deliver genuine IRWIN products worldwide, handling full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to maintain an IRWIN spur auger bit?

To maintain an IRWIN spur auger bit, clean it after each use to remove pitch and debris. Apply light oil to prevent rust on the steel body. Store in a dry environment. Sharpen the spur and cutting edges with a proper bit sharpener when dull. Avoid overheating during use to preserve the PTFE coating.

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 spur auger 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
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IRWIN Auger Drill Bit: 7/8 in Drill Bit Size, Hex Shank, 5/16 in Shank Hex Size, Spur Auger Auger (MPN 49914)
IRWIN Auger Bits: 5/16 in Drill Bit Size, 7 1/2 in Overall Lg, Hex Shank, 7/32 in Shank Hex Size (MPN 49905)
IRWIN
IRWIN Auger Bits: 5/16 in Drill Bit Size, 7 1/2 in Overall Lg, Hex Shank, 7/32 in Shank Hex Size (MPN 49905)
IRWIN Auger Bits: 1 1/8 in Drill Bit Size, 7 1/2 in Overall Lg, Hex Shank, 7/16 in Shank Hex Size (MPN 49918)
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IRWIN Auger Bits: 1 1/8 in Drill Bit Size, 7 1/2 in Overall Lg, Hex Shank, 7/16 in Shank Hex Size (MPN 49918)
IRWIN Auger Bits: 1 1/4 in Drill Bit Size, 7 1/2 in Overall Lg, Hex Shank, 7/16 in Shank Hex Size (MPN 49920)
IRWIN
IRWIN Auger Bits: 1 1/4 in Drill Bit Size, 7 1/2 in Overall Lg, Hex Shank, 7/16 in Shank Hex Size (MPN 49920)
IRWIN Auger Bits: 15/16 in Drill Bit Size, 7 1/2 in Overall Lg, Hex Shank, 5/16 in Shank Hex Size (MPN 49915)
IRWIN
IRWIN Auger Bits: 15/16 in Drill Bit Size, 7 1/2 in Overall Lg, Hex Shank, 5/16 in Shank Hex Size (MPN 49915)
IRWIN Auger Bits: 1/4 in Drill Bit Size, 7 1/2 in Overall Lg, Hex Shank, 7/32 in Shank Hex Size (MPN 49904)
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IRWIN Auger Bits: 1/4 in Drill Bit Size, 7 1/2 in Overall Lg, Hex Shank, 7/32 in Shank Hex Size (MPN 49904)

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IRWIN Auger Bits: 1 1/2 in Drill Bit Size, 7 1/2 in Overall Lg, Hex Shank, 7/16 in Shank Hex Size (MPN 49924)
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IRWIN Auger Bits: 1 1/2 in Drill Bit Size, 7 1/2 in Overall Lg, Hex Shank, 7/16 in Shank Hex Size (MPN 49924)
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IRWIN Auger Bits: 5/8 in Drill Bit Size, 7 1/2 in Overall Lg, Hex Shank, 5/16 in Shank Hex Size (MPN 49910)
IRWIN Auger Bits: 13/16 in Drill Bit Size, 7 1/2 in Overall Lg, Hex Shank, 5/16 in Shank Hex Size (MPN 49913)
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