Irwin 63913 Titanium Nitride C...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$3.57
Irwin 63913 Titanium Nitride Coated HSS Jobber-Length Drill Bit, 13/64 In., 639 Series

Irwin 63913 Titanium Nitride Coated HSS Jobber-Length Drill Bit, 13/64 In., 639 Series

(No reviews yet) Write a Review

Model: 63913

In Stock (leaves warehouse same day if ordered before 3pm ET)

$3.57
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Irwin 63913 Titanium Nitride Coated HSS Jobber-Length Drill Bit, 13/64 In., 639 Series

The Irwin 63913 Titanium Nitride Coated HSS Jobber-Length Drill Bit is a 13/64 In. straight-shank bit from the 639 Series, engineered for demanding metal-drilling and jobsite tasks. Machined from premium high-speed steel (HSS) and finished with a Titanium Nitride coating that resists heat and friction, this bit delivers up to 6x longer life than standard HSS bits. A 135° split-point tip keeps the bit centered on the workpiece, eliminating walking for accurate hole starts without a center punch. Whether used for on-site fabrication or shop production drilling, this bit is built to hold an edge through repeated use in steel and other ferrous materials. The 639 Series also includes model 63914 and model 63928 in additional sizes, giving pros and DIYers a matched family of Titanium Nitride coated bits for a range of drilling needs.

Key Features

  • Trade Size: 13/64 In. straight shank fits standard drill chucks for jobber-length drilling.
  • Durable Construction: Premium high-speed steel (HSS) construction for increased durability on demanding materials.
  • Titanium Nitride Coating: Resists heat and friction, providing up to 6x longer bit life than standard HSS bits.
  • Precise Drilling: 135° split-point tip eliminates walking for accurate hole starts without a center punch.
  • Bit Type: Jobber-length design balances reach and rigidity for general-purpose drilling tasks.
  • Straight Shank: Compatible with standard drill chucks for quick bit changes on the jobsite.
  • 639 Series Family: Available as model 63913 (13/64 In.), plus models 63914 and 63928 for additional sizes within the same Titanium Nitride coated HSS line.

Technical Specifications

  • Warranty: NLW
  • Claims Needed: No
  • Country of Origin: China
  • Battery Included: No
  • Power Source: Non-Energy Using

Typical Applications

  • Metal Drilling and Fabrication Tasks
  • Jobsite and Field Drilling Applications
  • Precision Hole Starting without a Center Punch
  • Professional and DIY Drilling Projects
  • General-Purpose Jobber-Length Drilling Tasks

Why Irwin?

Irwin builds the 639 Series drill bit from premium high-speed steel and finishes it with a Titanium Nitride coating engineered to resist heat and friction, extending usable bit life well beyond standard HSS bits. The 135° split-point tip reflects precision engineering that helps eliminate walking so users can start holes accurately without a center punch. This combination of premium HSS, wear-resistant coating, and split-point geometry makes the 639 Series a dependable choice for professionals who need consistent results shift after shift. Choose Irwin for a durable, reliably engineered drill bit built for demanding jobsite and shop drilling tasks, backed by the matched sizes of the 639 Series lineup.

Manufacturer Resources

Product Specs

Warranty:
NLW
Bit Type:
Jobber
Claims Needed:
No
Individual Vs. Set (Syndigo):
INDIVIDUAL
Product Material Group:
METAL
Battery Included:
No
Power Source:
NON-ENERGY USING
list_batch:
IRW-20260923
Product Type:
Twist Drill Bit
Product Finish:
Titanium Nitride Coating
Series:
639 Series
Department:
Electrical
Product Subgroup:
Drill & Driver Bits
Product Material:
High-Speed Steel (HSS)
Product Group:
Power Tools & Accessories

Irwin 63913 – Frequently Asked Questions

1) What sizes does the Irwin 639 Series titanium nitride drill bit come in?
Three diameters in the 639 Series TiN coated HSS line: 13/64 inch (model 63913), 7/32 inch (model 63914), and 7/16 inch (model 63928). All three are jobber-length straight-shank bits with the same high-speed steel body and titanium nitride coating, so you can mix sizes without changing how they cut.
2) Is the Irwin 63913 bit a 13/64 tap-size drill for 1/4-20 threads?
The 63913 is a 13/64 inch bit, which is the standard tap drill for a 1/4-20 UNC thread in steel. It is a straight-shank jobber-length HSS bit, so it chucks into any standard drill for tapping prep on steel plate or angle.
3) Do I need to center punch before drilling with the Irwin 639 Series bit?
No. The 135 degree split-point tip bites where you place it instead of skating across the surface, so you can start a hole on steel without punching it first. That is the practical difference from a standard 118 degree jobber bit, which usually needs a punch mark.
4) Will this drill bit fit a standard cordless drill chuck?
Yes. The 639 Series bits use a straight shank sized to the bit diameter, so they drop into any standard keyless or keyed chuck. No adapter, no hex shank quick-change holder needed.
5) Is a titanium nitride coated HSS bit worth it over a plain black oxide bit for drilling steel?
For repeated holes in steel, yes. The titanium nitride coating on the 639 Series resists heat and friction, which Irwin rates at up to 6x the life of an uncoated HSS bit. If you are drilling a handful of holes in wood or plastic, the coating buys you nothing. Where it pays is production drilling and jobsite fabrication in ferrous metal, where heat is what kills a bit.
6) Is the Irwin 63913 sold as a single bit or part of a set?
It ships as an individual bit, not a boxed index. Each diameter in the 639 Series is ordered on its own by model number, so an MRO crib can restock just the sizes that get burned up rather than buying a whole set.
7) What materials should I use this bit on, and what should I avoid?
Steel and other ferrous metals are the intended target for the 639 Series HSS bits, along with general-purpose jobsite drilling. HSS will not hold up in hardened steel, masonry, or tile, those need a carbide bit. Jobber length balances reach against rigidity, so for deep holes in thick stock expect more flex than a stub-length bit.
8) Where is the Irwin 639 Series drill bit made?
The 639 Series titanium nitride coated HSS bits are manufactured in China. Useful to confirm if your purchasing rules require country-of-origin documentation on consumable tooling.
9) Does the Irwin 63913 need batteries or power of its own?
No. It is a bare cutting tool with no battery and no power source of its own, so it carries no energy-using classification for procurement purposes. You supply the drill.
How fast can I get the Irwin 63913 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Irwin 63913 come with a warranty?
Absolutely. The Irwin 63913 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Irwin 63913?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Irwin 63913 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!