---
product_id: 3114704
title: "Drill Bits 44170 Ultra Dex Type 240-UB 135 Degree Split Point Magnum Super Premium Jobber Drill Set (29 Piece)"
brand: "norseman"
price: "72.51 OMR"
currency: OMR
in_stock: true
reviews_count: 5
category: "Norseman"
url: https://www.desertcart.com.om/products/3114704-drill-bits-44170-ultra-dex-type-240-ub-135-degree
store_origin: OM
region: Oman
---

# Gold oxide finish for durability 29-piece precision set 135° split point for clean starts Drill Bits 44170 Ultra Dex Type 240-UB 135 Degree Split Point Magnum Super Premium Jobber Drill Set (29 Piece)

**Brand:** norseman
**Price:** 72.51 OMR
**Availability:** ✅ In Stock

## Summary

> 🛠️ Drill Like a Pro, Last Like a Legend

## Quick Answers

- **What is this?** Drill Bits 44170 Ultra Dex Type 240-UB 135 Degree Split Point Magnum Super Premium Jobber Drill Set (29 Piece) by norseman
- **How much does it cost?** 72.51 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/3114704-drill-bits-44170-ultra-dex-type-240-ub-135-degree)

## Best For

- norseman enthusiasts

## Why This Product

- Trusted norseman brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Proudly Made in the USA:** Manufactured under strict NAS 907B aerospace standards for reliability you can trust on every job.
- • **Effortless Cutting Power:** 135-degree split point design reduces walking and ensures fast, smooth penetration in tough materials.
- • **Built to Outlast & Outperform:** Crafted from premium Hi-Molybdenum High Speed Steel with Gold Oxide coating for superior wear resistance and longevity.
- • **Complete Versatility in One Set:** 29 carefully graduated sizes from 1/16" to 1/2" cover all your drilling needs with consistent quality.
- • **Precision Engineered for Professionals:** Ultra Dex precision ground points and flutes deliver unmatched accuracy and clean drilling every time.

## Overview

The Norseman 29-piece Ultra Dex Drill Bit Set combines aerospace-grade Hi-Molybdenum High Speed Steel with a precision 135° split point and gold oxide finish, delivering professional-grade durability, accuracy, and clean cutting performance. Engineered and manufactured in the USA to the highest NAS 907B standards, this set is designed for heavy-duty use and long-lasting reliability across a wide range of drilling applications.

## Description

Committed to Quality, Consistency, Service and Value quality at Viking Drill and Tool begins with the finest tool steel we can buy and ends with the world class products in our catalog. Our cutting tools are designed, engineered and superbly crafted to provide long lasting durability. Our 74,000 square foot St. Paul, Minnesota manufacturing facility is specifically designed for the unique task of efficient high quality cutting tool manufacturing. Consistency is a natural by-product of our experience and dedication to quality. At Viking Drill and Tool, skilled machine operators working with the world's finest raw materials have the capability of providing you with consistent high quality products time after time, year after year. On our Ultra Bor Super Premium products, we routinely cut recognized tool tolerance standards by one half to insure that our customers receive drills manufactured to the tightest possible specification and utmost in consistency and accuracy. All materials used at Viking Drill and Tool meet the rigorous qualifications of National Aerospace Standard (NAS) 907. This standard, recognized as the most stringent in the industry precludes the use of lower quality steels which do not hold up under rigorous applications. The use of these extreme high quality materials insures that consistency is built in to every one of our U.S. manufactured products. Our extensive selection of U.S. manufactured tools is designed to give you the right tool at the right price for whatever tough job you come up against.

Review: Like a hot knife through butter - Drill bits used to be good. I remember those days. But then the world went crazy loco with cheaply produced imports. I've been using big box store bits for some years now and I hate them. Poor geometry, they burn, they shatter, they don't cut, and I can't get many holes from them. My bench was littered with incomplete sets because of breakage. And I got completely tired of wrecking my wrists when one would bind in a chunk of steel and kick me like a mule. Two years ago, I had a job where I needed to drill a hundred half-inch holes in quarter-inch plate. I knew I was doomed with the imports, so I bought three Norseman half-inch bits. What do you know, I completed the job using just one bit, and that bit still had holes left in it to drill. Fast forward about five minutes after that job and I bought this Norseman set. I use it frequently. The bits bore beautifully. Not one bit has shattered. It is such a pleasure to open the case and see every one of the bits still intact and in its place. I wish I had bought this set fifty years ago! Yes, I would buy it again, but I don't think I will have to. I leave all my old drill bits in a tray next to the drill press. Anyone who uses my shop can use them. But I keep this Norseman set under lock and key in my tool box. They are mine. MINE! And you can't use them! I also bought the Norseman set of four larger than half-inch bits. Nice set, also worth the money. By the way, after watching many YouTube videos about which is the best cutting oil for drilling steel, I came across one that said to use just plain water in a squirt bottle. Drill bits don't need lubrication. The bits need to dig in and cut. But they do need cooling and there is nothing better than plain old water to cool as you bore steel. Works great.Who'd a thunk it.
Review: Holy cow! These are incredible bits! - For years, I’ve struggled with inferior drill bits. When the time comes to drill a challenging hole through steel, the cheap bits get dull almost instantly. Not these puppies! I bought these bits to use only for those challenging instances. Turned out to be a great buy! Example: I bought a front-mounted Kubota snowblower for my tractor last year. It needed larger, aftermarket skids to prevent gravel from being scooped up from my driveway and into the impeller. The new skids required thicker bolts, plus an additional bolt on each side. I tried drilling a 1/8” pilot hole before opening it up to 3/8”. Neither my cheap “titanium coated” Harbor Freight bit set nor my go-to Dewalt titanium set made a dent in the steel housing. I reluctantly cracked open this set, added a drop of cutting oil to the tip of the bit, and got busy. Chewed through the steel like it was butter! Amazing. Well worth the money! Highly recommended. MADE IN USA!!!

## Features

- 29 pc. Ultra Dex Set Premium High Speed Steel Heavy Duty NAS 907B 135-Degree Split Point
- 1/16 - 1/2 by 64ths - Ultra Dex
- Precision ground point, flutes, body, clearance and drill diameter for ultimate accuracy and performance
- Special Hi-Molybdenum tool steel/ Gold Oxide

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00627C8ZU |
| Best Sellers Rank | #97,873 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #201 in Jobber Drill Bits |
| Brand | Norseman |
| Cutting Angle String | 135 Degrees |
| Cutting Diameter | 0.06 Inches |
| Date First Available | November 1, 2011 |
| Finish Type | Gold Oxide |
| Global Trade Identification Number | 00050728441708 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 2.86 pounds |
| Item dimensions L x W x H | 6.5 x 3.25 x 3.25 inches |
| Item model number | 44170 |
| Manufacturer | Viking |
| Material | High Speed Steel (HSS) |
| Number of Flutes | 2 |
| Number of Pieces | 29 |
| Point Style | Split Point |
| Product Dimensions | 6.5 x 3.25 x 3.25 inches |
| Set Name | 29 pc Ultra Dex Set |
| Shank Type | Straight |
| Surface Recommendation | Miscellaneous |
| Tool Flute Type | Straight |
| UPC | 050728441708 |
| Unit Count | 29.0 Count |

## Product Details

- **Cutting Angle String:** 135 Degrees
- **Cutting Diameter:** 0.06 Inches
- **Finish Type:** Gold Oxide
- **Material:** High Speed Steel (HSS)
- **Shank Type:** Straight

## Images

![Drill Bits 44170 Ultra Dex Type 240-UB 135 Degree Split Point Magnum Super Premium Jobber Drill Set (29 Piece) - Image 1](https://m.media-amazon.com/images/I/712HIX5g5JL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Like a hot knife through butter
*by F***D on March 8, 2020*

Drill bits used to be good. I remember those days. But then the world went crazy loco with cheaply produced imports. I've been using big box store bits for some years now and I hate them. Poor geometry, they burn, they shatter, they don't cut, and I can't get many holes from them. My bench was littered with incomplete sets because of breakage. And I got completely tired of wrecking my wrists when one would bind in a chunk of steel and kick me like a mule. Two years ago, I had a job where I needed to drill a hundred half-inch holes in quarter-inch plate. I knew I was doomed with the imports, so I bought three Norseman half-inch bits. What do you know, I completed the job using just one bit, and that bit still had holes left in it to drill. Fast forward about five minutes after that job and I bought this Norseman set. I use it frequently. The bits bore beautifully. Not one bit has shattered. It is such a pleasure to open the case and see every one of the bits still intact and in its place. I wish I had bought this set fifty years ago! Yes, I would buy it again, but I don't think I will have to. I leave all my old drill bits in a tray next to the drill press. Anyone who uses my shop can use them. But I keep this Norseman set under lock and key in my tool box. They are mine. MINE! And you can't use them! I also bought the Norseman set of four larger than half-inch bits. Nice set, also worth the money. By the way, after watching many YouTube videos about which is the best cutting oil for drilling steel, I came across one that said to use just plain water in a squirt bottle. Drill bits don't need lubrication. The bits need to dig in and cut. But they do need cooling and there is nothing better than plain old water to cool as you bore steel. Works great.Who'd a thunk it.

### ⭐⭐⭐⭐⭐ Holy cow! These are incredible bits!
*by T***U on November 29, 2024*

For years, I’ve struggled with inferior drill bits. When the time comes to drill a challenging hole through steel, the cheap bits get dull almost instantly. Not these puppies! I bought these bits to use only for those challenging instances. Turned out to be a great buy! Example: I bought a front-mounted Kubota snowblower for my tractor last year. It needed larger, aftermarket skids to prevent gravel from being scooped up from my driveway and into the impeller. The new skids required thicker bolts, plus an additional bolt on each side. I tried drilling a 1/8” pilot hole before opening it up to 3/8”. Neither my cheap “titanium coated” Harbor Freight bit set nor my go-to Dewalt titanium set made a dent in the steel housing. I reluctantly cracked open this set, added a drop of cutting oil to the tip of the bit, and got busy. Chewed through the steel like it was butter! Amazing. Well worth the money! Highly recommended. MADE IN USA!!!

### ⭐⭐⭐⭐⭐ excellent quality general purpose metalworking twist drills
*by C***S on February 15, 2019*

It seems like there is a mixture of reviews, so this review is for the 44170 jobber length twist drill set. In short, these are excellent twist drills for general purpose metalworking. To get deeper in detail, Norseman says that these are NAS 907B. That is an aerospace industry standard, and it specifies that the twist drills must have a 135 degree split point, be M2 or M7 High Speed Steel, and a bit of a thicker web. The 135 degree split point means that the point will center up a little bit better than the more common 118 degree point twist drills. It is a small difference, but it can really have an impact on how quickly you can work if you are drilling a lot of holes. For the larger sizes, I still drill a pilot hole to make sure the point has clearance. High speed steel comes in a variety of types. If you look in Machinery's Handbook, you can read up on M2 and M7 HSS. M2 is really the most common for tooling like twist drills. Norseman says that these drills are high molybdenum, and meet NAS 907B, so that probably means they are M7. Machinery's Handbook seems to say that M2 and M7 are really close to interchangeable. M7 may be able to be hardened a little bit more. The jobber length is a general purpose length. Stub drills are shorter (and as a result stiffer, which makes more accurate hole placement easier). Aircraft length are longer. Jobber are just right for general use. These drills seem to have a black oxide coating in the flutes but the rest of the drill is uncoated. Black oxide is nice for holding cutting fluid when drilling steels. Black oxide wears right off when drilling aluminum. If you look at the first picture, you can see where the black oxide is wearing off. The second picture shows a Norseman twist drill on the left and a Chicago Latrobe (another excellent drill) black oxide drill on the right. The Chicago Latrobe drill has been used on aluminum very frequently, wearing off the black oxide very clearly. Norseman leaves most of the drill uncoated, which means it will hold up better with use on aluminum, while still working well on steel. The 135 degree split point, jobber length and finish all mean that these twist drills are really, in my opinion, the ideal general purpose twist drills for metalworking.

## Frequently Bought Together

- Norseman Drill Bits 44170 Ultra Dex Type 240-UB 135 Degree Split Point Magnum Super Premium Jobber Drill Set (29 Piece)
- Forney 20857 Tap Magic Industrial Pro Cutting Fluid, 4 oz
- Norseman 22903 1/16 in. - 1/2 in. Super Premium Black and Gold Oxide Hi-Molybdenum Steel Drill Bit Set, 29-Piece, grey

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-01-22*