--- product_id: 96796588 title: "Precision Twist R18 High Speed Steel Jobber Drill Bit, Black Oxide Finish, Round Shank, Spiral Flute, 118 Degree Point Angle, 1 (Pack of 12)" brand: "precision twist drill" price: "291.61 DT" currency: TND in_stock: true category: "Industrial" url: https://www.desertcart.tn/products/96796588-precision-twist-r18-high-speed-steel-jobber-drill-bit-black store_origin: TN region: Tunisia --- # Precision Twist R18 High Speed Steel Jobber Drill Bit, Black Oxide Finish, Round Shank, Spiral Flute, 118 Degree Point Angle, 1 (Pack of 12) **Brand:** precision twist drill **Price:** 291.61 DT **Availability:** ✅ In Stock ## Quick Answers - **What is this?** Precision Twist R18 High Speed Steel Jobber Drill Bit, Black Oxide Finish, Round Shank, Spiral Flute, 118 Degree Point Angle, 1 (Pack of 12) by precision twist drill - **How much does it cost?** 291.61 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/96796588-precision-twist-r18-high-speed-steel-jobber-drill-bit-black) ## Best For - precision twist drill enthusiasts ## Why This Product - Trusted precision twist drill brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Size:#1 The Precision Twist R18 jobber drill bit is a conventional point, general-purpose, round shank drill bit made of HSS with a steam tempering (also called black oxide) finish. It is suitable for drilling to a depth up to four times the diameter of the drill. Good for portable or machine drilling. The shank diameter is the same as the drill size. It was designed for drilling holes into a wide variety of metals and synthetic materials. The R18 series has a type N flute form, with a regular helix (21- to 34-degree) angle have best performance drilling into steel or cast iron. The finish retains lubricants to aid in wear resistance and chip flow. Spiral flutes act as a passageway for chip extraction from the hole and for coolant to enter the hole. Right-hand twist brings chips up and away from the cutting edge. Drilling, or hole making, is the most common metalworking operation in the world. Twist drill bits are the most common type of drill bit used. Twist drill bits are commonly used to drill holes with hand-operated drills, standalone drill presses, or lathes. The flutes of the drill bit act a passageway for chip extraction from the hole and for coolant to enter the hole. These drill bits have a right-hand twist that brings chips up and away from the cutting edge. They are made to ANSI (fractional sizing) industry standards, which ensure that drill bits around the world conform to the same specifications. Dormer Pramet manufactures cutting tools under the following brands: Precision Twist Drill, Dormer, Union Butterfield and Pramet. The company has locations around the world, and provides tools adhering to ANSI, NAS, and DIN standards. ## Features - Jobber-length drill bits, most common length drill bit, suitable for a wide range of applications - 118-degree conventional point angles, for general drilling applications - Round shanks, for use on a variety of tool-holding systems - Steam tempering (black oxide) finish, retains cutting fluid and prevents chip to tool welding - High-speed steel (HSS), for use on a wide variety of materials ## Images ![Precision Twist R18 High Speed Steel Jobber Drill Bit, Black Oxide Finish, Round Shank, Spiral Flute, 118 Degree Point Angle, 1 (Pack of 12) - Image 1](https://images-na.ssl-images-amazon.com/images/I/31Mp6huG9rL.jpg) ![Precision Twist R18 High Speed Steel Jobber Drill Bit, Black Oxide Finish, Round Shank, Spiral Flute, 118 Degree Point Angle, 1 (Pack of 12) - Image 2](https://images-na.ssl-images-amazon.com/images/I/21C4aSJa2gL.jpg) ![Precision Twist R18 High Speed Steel Jobber Drill Bit, Black Oxide Finish, Round Shank, Spiral Flute, 118 Degree Point Angle, 1 (Pack of 12) - Image 3](https://images-na.ssl-images-amazon.com/images/I/51S2huw9CqL.jpg) ![Precision Twist R18 High Speed Steel Jobber Drill Bit, Black Oxide Finish, Round Shank, Spiral Flute, 118 Degree Point Angle, 1 (Pack of 12) - Image 4](https://images-na.ssl-images-amazon.com/images/I/21pBJDiVRZL.jpg) ## Available Options This product comes in different **Size** options. --- ## 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.tn/products/96796588-precision-twist-r18-high-speed-steel-jobber-drill-bit-black](https://www.desertcart.tn/products/96796588-precision-twist-r18-high-speed-steel-jobber-drill-bit-black) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-11*