--- product_id: 41397119 title: "NEIKO 10185A Step Drill Bit, 12 Steps 3/16” to 7/8” Straight High Speed Steel, Titanium Nitride Coated, 3/8” Tri Flat Step Bits for Steel, Metal, Wood, Plastic, Unibit Cone Drill Bits, Two Flute" brand: "neiko" price: "Rp580471" currency: IDR in_stock: true category: "Neiko" url: https://www.desertcart.id/products/41397119-neiko-10185a-step-drill-bit-12-steps-3-16-to store_origin: ID region: Indonesia --- # Titanium nitride coating for durability 135° split-point tip for fast, clean drilling 12-step precision sizing NEIKO 10185A Step Drill Bit, 12 Steps 3/16” to 7/8” Straight High Speed Steel, Titanium Nitride Coated, 3/8” Tri Flat Step Bits for Steel, Metal, Wood, Plastic, Unibit Cone Drill Bits, Two Flute **Brand:** neiko **Price:** Rp580471 **Availability:** ✅ In Stock ## Summary > 🔧 Drill Smarter, Not Harder — The Only Bit You’ll Ever Need! ## Quick Answers - **What is this?** NEIKO 10185A Step Drill Bit, 12 Steps 3/16” to 7/8” Straight High Speed Steel, Titanium Nitride Coated, 3/8” Tri Flat Step Bits for Steel, Metal, Wood, Plastic, Unibit Cone Drill Bits, Two Flute by neiko - **How much does it cost?** Rp580471 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.id](https://www.desertcart.id/products/41397119-neiko-10185a-step-drill-bit-12-steps-3-16-to) ## Best For - neiko enthusiasts ## Why This Product - Trusted neiko brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Multi-Material Mastery:** Efficiently cuts through steel, wood, plastic, aluminum, copper, and more—your all-in-one project partner. - • **Smooth & Stable Operation:** Tri-flat 3/8” shank grips tightly for less wobble and more control in any drill chuck. - • **One Bit, Endless Possibilities:** Drill 12 precise hole sizes from 3/16” to 7/8” with a single versatile tool. - • **Built to Last, Built to Perform:** Premium #4241 high-speed steel with titanium nitride coating ensures long-lasting strength and cooler drilling. - • **Effortless Precision Every Time:** 135° split-point tip and 2-flute spiral design prevent walking and deliver clean, burr-free holes. ## Overview The NEIKO 10185A Step Drill Bit is a high-performance, titanium nitride coated, 12-step drill bit crafted from industrial-grade #4241 high-speed steel. Featuring a 135° split-point tip and a 2-flute spiral design, it delivers fast, clean, and burr-free holes across multiple materials including steel, wood, and plastic. Its tri-flat 3/8” shank ensures stable, wobble-free drilling compatible with most standard drill chucks, making it an essential, durable tool for professionals and DIYers alike. ## Description Our Titanium Step Drill Bit lets you make the exact-sized hole you need for any project in your home or on the jobsite. Featuring a 135-degree split-point tip and a 2-flute design, this metal hole cutter will bore through almost any surface, including steel, wood, and other materials. It’s designed in a cone shape to automatically tap, drill, and deburr holes in one simple step.Our step bit is constructed with high-speed alloy steel and features a titanium nitride coating for added durability, longer life, and cooler, faster, and cleaner drilling. To use, place the tip of the bit against the sheet of metal or slab of wood you’re working on and drill to the precise measurement you need. There’s no need to purchase multiple bits when you can get the job done with one easy drill bit.This step drill bit for metal can drill holes from 3/16" to 7/8" in precise 1/16-inch increments. You can use our high-speed drill bit for steel jobs at home or work, and its small size allows you to pack it in your toolbox and take it wherever you go. Whether you need a multifunctional drill bit to cut through stainless steel or a new step bit to add to your equipment, NEIKO has your back with our durable, dependable, and strong tools. ## Features - PREMIUM STEP BIT: Each unibit is constructed of #4241 industrial high-speed steel (HSS) with a titanium nitride coating for durability and strength to punch and drill clean holes in materials like plastic, aluminum, wood, copper, stainless steel, and other types of sheet metal. - STEP DRILL BIT FOR METAL: It has a 135-degree split-point tip and features a 2-fluted spiral design that automatically deburrs and expands holes for a cleaner drilling process. With a split point tip that accelerates cutting speed, it prevents walking away from center line of bore, drilling holes in metal is fast, efficient, and clean. - STRAIGHT DESIGN: The stepped drill bit with two-flute straight grooved design cuts smooth with minimal chatter, deburrs and pulls chips up and out of the hole effectively. - TRI FLANK STEP BIT: The 3/8-inch tri flat shank is ideal for regular drill chucks like 3 jaw drills, cordless drills or drill presses. Tri flat round shanks grip better and run more concentrically for less wobble and cleaner holes. - MULTISIZE DRILL BIT: This hole drill bit can drill holes in 12 different sizes from 1/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", and 7/8". ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000RP4B76 | | Best Sellers Rank | #2,709 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Step Drill Bits | | Brand Name | NEIKO | | Customer Reviews | 4.5 4.5 out of 5 stars (18,400) | | Cutting Angle String | 135 Degrees | | Cutting Diameter | 1.13 Inches | | Finish Types | Titanium | | Global Trade Identification Number | 00837013101857 | | Included Components | 3/16" Titanium Step Drill Bit | | Item Dimensions | 2.36 x 5.71 x 0.98 inches | | Manufacturer | Ridgerock Tools Inc. | | Material Type | High-Speed Alloy Steel | | Minimum Bore Diameter | 0.19 Inches | | Model | 10185A | | Number of Flutes | 2 | | Number of Pieces | 1 | | Part Number | 10185A | | Point Style | Split Point | | Shank Type | Straight | | Surface Recommendation | Steel, Wood, Metal | | Tool Flute Type | Spiral | | UPC | 837013101857 | | Unit Count | 1.0 Count | ## Product Details - **Cutting Angle String:** 135 Degrees - **Cutting Diameter:** 1.13 Inches - **Finish Type:** Titanium - **Material:** High-Speed Alloy Steel - **Shank Type:** Straight ## Images ![NEIKO 10185A Step Drill Bit, 12 Steps 3/16” to 7/8” Straight High Speed Steel, Titanium Nitride Coated, 3/8” Tri Flat Step Bits for Steel, Metal, Wood, Plastic, Unibit Cone Drill Bits, Two Flute - Image 1](https://m.media-amazon.com/images/I/71ti2tZ+HfL.jpg) ![NEIKO 10185A Step Drill Bit, 12 Steps 3/16” to 7/8” Straight High Speed Steel, Titanium Nitride Coated, 3/8” Tri Flat Step Bits for Steel, Metal, Wood, Plastic, Unibit Cone Drill Bits, Two Flute - Image 2](https://m.media-amazon.com/images/I/71H2ILirZOL.jpg) ![NEIKO 10185A Step Drill Bit, 12 Steps 3/16” to 7/8” Straight High Speed Steel, Titanium Nitride Coated, 3/8” Tri Flat Step Bits for Steel, Metal, Wood, Plastic, Unibit Cone Drill Bits, Two Flute - Image 3](https://m.media-amazon.com/images/I/718lL0llgXL.jpg) ![NEIKO 10185A Step Drill Bit, 12 Steps 3/16” to 7/8” Straight High Speed Steel, Titanium Nitride Coated, 3/8” Tri Flat Step Bits for Steel, Metal, Wood, Plastic, Unibit Cone Drill Bits, Two Flute - Image 4](https://m.media-amazon.com/images/I/71G-ifMcn5L.jpg) ![NEIKO 10185A Step Drill Bit, 12 Steps 3/16” to 7/8” Straight High Speed Steel, Titanium Nitride Coated, 3/8” Tri Flat Step Bits for Steel, Metal, Wood, Plastic, Unibit Cone Drill Bits, Two Flute - Image 5](https://m.media-amazon.com/images/I/91nI7JzRlcL.jpg) ## Available Options This product comes in different **Configuration, Pattern, Size, Style** options. ## Frequently Bought Together - NEIKO 10185A Titanium Step Drill Bit, High-Speed Alloy-Steel Bit, Hole Expander for Wood and Metal, 12 Step Sizes from 3/16 Inch to 7/8 Inch - RAINPAL RBS005 Brass Water Container/Rain Barrel Quarter Turn Spigot(LF Compliant, For OPEN TOP BARRELS) - Owl Focus 37.5 Inch Mesh Cover for Rain Barrel,Rain Bucket Leaf Filter Screen Cover --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.id/products/41397119-neiko-10185a-step-drill-bit-12-steps-3-16-to](https://www.desertcart.id/products/41397119-neiko-10185a-step-drill-bit-12-steps-3-16-to) --- *Product available on Desertcart Indonesia* *Store origin: ID* *Last updated: 2026-07-11*