Irwin 4935607 Titanium Nitride...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$38.40
Irwin 4935607 Titanium Nitride Coated High-Speed Steel Drill Bit Set, Pro Case, 15-Piece

Irwin 4935607 Titanium Nitride Coated High-Speed Steel Drill Bit Set, Pro Case, 15-Piece

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Model: 4935607

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

$38.40
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Irwin 4935607 Titanium Nitride Coated High-Speed Steel Drill Bit Set, Pro Case, 15-Piece

The Irwin 4935607 Titanium Nitride Coated High-Speed Steel Drill Bit Set delivers a complete 15-piece lineup of general-purpose drill bits housed in a rubber over-molded Pro Case. Built from premium high-speed steel and finished with a titanium nitride (TiN) coating, this set is engineered to resist heat and friction, extending cutting edge life up to 6 times that of other high-speed step drill bits. Each bit features a 135-degree split-point tip that starts drilling immediately with less force and eliminates "walking" across the work surface, making this Irwin set a dependable choice for professionals who need consistent, accurate holes on the jobsite. The rubber over-molded Pro Case keeps every bit indexed and protected, so the set travels well between the shop and the field.

Key Features

  • Titanium Nitride Coating: Resists heat and friction, extending cutting edge life up to 6 times that of other high-speed step drill bits.
  • Premium High-Speed Steel Construction: Built from premium high-speed steel for increased durability across repeated drilling tasks.
  • 135-Degree Split-Point Tip: Starts drilling immediately with less force and eliminates "walking" across the work surface for precise hole placement.
  • Rubber Over-Molded Pro Case: Features automatic indexing for easy bit access and quick identification of each bit size.
  • Removable Cartridges: Individual cartridges are easy to carry to and from the worksite, keeping bits organized and portable.
  • General-Purpose Bit Type: A versatile 15-piece set suited to a wide range of general drilling applications.
  • 15-Piece Set: A complete assortment of drill bits organized in one Pro Case for grab-and-go convenience.

Technical Specifications

  • Warranty: NLW
  • Individual Vs. Set (Syndigo): SET
  • Bit Type: General Purpose
  • Power Source: Non-Energy Using
  • Country of Origin: China

Typical Applications

  • General-Purpose Drilling Tasks
  • Professional and Jobsite Use
  • Portable Tool Storage and Transport
  • Bit Organization and Quick Identification
  • Shop and Field Drilling Projects

Why Irwin?

Irwin builds this drill bit set from premium high-speed steel and adds a titanium nitride coating to extend cutting edge life well beyond standard high-speed step bits. The 135-degree split-point tip reduces walking and starting force, while the rubber over-molded Pro Case with automatic indexing keeps the full 15-piece set organized and ready for the next job. It's a practical, jobsite-ready drilling solution built for professionals who need dependable performance and easy bit identification on every task.

Manufacturer Resources

Product Specs

list_batch:
IRW-20260923
Product Type:
Drill Bit Set
Product Finish:
Titanium Nitride Coating
Department:
Electrical
Product Subgroup:
Drill & Driver Bits
Product Material:
High-Speed Steel
Product Group:
Power Tools & Accessories
Product Width:
1.375 in
Product Weight:
0.95 lb
Product Length:
8.75 in
Product Height:
8.75 in

Irwin 4935607 – Frequently Asked Questions

1) Will Irwin 4935607 TiN coated bits drill steel, or are they wood-only?
These are general-purpose high-speed steel bits with a titanium nitride coating, so they handle metal, wood, and plastic rather than being limited to wood. The TiN coating resists heat and friction, which is what matters when you're drilling steel and the edge would otherwise burn off. For masonry or concrete you need a carbide-tipped hammer bit instead; HSS twist bits won't cut brick or block.
2) What does the 135-degree split point on the Irwin 4935607 bits actually do for me?
It stops the bit from walking. A 135-degree split point is self-centering, so it bites in where you put it without a punch mark or pilot hole and needs less thrust to start. On sheet metal, electrical enclosures, and strut that's the difference between a hole on your layout line and a scar across the panel. A standard 118-degree jobber bit skates on hard, smooth surfaces by comparison.
3) How does the Irwin 4935607 Pro Case hold the bits for jobsite use?
The case is rubber over-molded with automatic indexing, so each bit pops up for identification and goes back in its own numbered slot instead of loose in a pouch. Cartridges are removable, which means you can pull just the sizes you need for the day and leave the rest in the truck. For an MRO crib or a van drawer, that indexing is what keeps the set complete over time.
4) Does the titanium nitride coating on these Irwin bits actually last longer than plain HSS?
Irwin rates the TiN coating as extending cutting edge life up to 6 times that of other high-speed steel step drill bits. The coating works by cutting heat and friction at the edge. Worth knowing: once you resharpen a coated bit, the coating is gone from the cutting lip and it performs like bare HSS, so for shops that regrind bits the advantage is on the first life only.
5) Is Irwin 4935607 the right set for an electrician's bag?
It's catalogued for electrical work and suits that use: general-purpose TiN HSS bits handle knockouts in thin steel, pilot holes in strut and panel backs, and holes in wood studs for runs. What it won't do is cut large-diameter holes for conduit or device boxes, that's a step bit or a bi-metal hole saw job. Keep this set for the small-diameter work and carry a step bit alongside it.
6) Is the Irwin 4935607 a cordless-drill set or does it need a drill press?
Round-shank twist bits, so they chuck into any standard keyless or keyed drill chuck, cordless or corded, and work in a drill press too. The set itself is non-powered hardware, 15 bits in a case, no tool included.
7) What part number do I order for the 15-piece Irwin TiN set, and where is it made?
Order Irwin 4935607. That's the manufacturer part number for the 15-piece titanium nitride coated high-speed steel drill bit set in the Pro Case. Country of origin is China.
How fast can I get the Irwin 4935607 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 4935607 come with a warranty?
Absolutely. The Irwin 4935607 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 4935607?
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 4935607 from ZenSupply?
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