91136 - Irwin Tools 9/16" Reduced Shank Drill Bit | Aztek Computers
29+Years
SKU: HH503WOBJ2 |  Mfg. Part: 91136  | UPC: 024721911360  |  0 Reviews  |     Share

91136 - Irwin Tools 9/16" Reduced Shank Drill Bit

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Product Overview

This 1/2" reduced shank drill bit is made from high-speed steel (HSS) and designed for durability and performance. With a size of 9/16", it is perfect for a variety of drilling applications where precision and efficiency are key.

Expert Overview

The IRWIN TOOLS 9/16" Reduced Shank Drill Bit, part number 91136, is a high-speed steel (HSS) drilling tool designed for durability and consistent performance in professional environments. This drill bit features a 1/2" reduced shank, which allows for its use in chucks that may not accommodate a full 9/16" shank, enhancing versatility across different drilling equipment. Precision-ground for accurate hole sizing, it is suitable for applications requiring specific hole diameters. Its heat-resistant design contributes to a prolonged tool life, making it a practical choice for various drilling tasks where efficiency and tool longevity are considerations. This product addresses the need for a robust drill bit capable of handling diverse materials while maintaining dimensional accuracy.

Technical Specifications

  • High-speed steel construction for durability
  • 1/2" reduced shank for versatility
  • Ideal for various drilling applications
  • Precision-ground for accurate hole sizes
  • Heat-resistant design for prolonging tool life

Product Details

  • Manufacturer:
  • Model Number:
  • UPC:
  • Condition:
  • Weight:
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  • Updated:
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  • IRWIN TOOLS
  • 91136
  • 024721911360
  • New
  • 0.3 lbs
  • 7 X 1 X 1
  • Today - Sep 20, 2026
  • Dec 30, 2025
Product Identifiers: Brand: Irwin Tools • Part #: 91136 • UPC: 024721911360

Frequently Asked Questions

What material is this drill bit made from?

This drill bit is constructed from high-speed steel (HSS), which is specified for durability and performance in drilling applications.

What is the benefit of a 1/2" reduced shank on a 9/16" drill bit?

The 1/2" reduced shank provides versatility, allowing the 9/16" drill bit to be used in drill chucks that are designed for 1/2" shanks, accommodating a wider range of drilling equipment.

What types of applications is this drill bit suitable for?

This drill bit is ideal for a variety of drilling applications where precision and efficiency are key. Its design supports accurate hole sizing and general drilling tasks.

Does this drill bit have any features to extend its lifespan?

Yes, this drill bit features a heat-resistant design, which is intended to prolong its tool life during use.

91136 - Irwin Tools 9/16" Reduced Shank Drill Bit

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