OXMUL Z138-207 Drill Bit Set Step 1-3/8 7/8

( Brand: Oxmul ), ( Part Type: Step Drill Bit ), ( Manufacturer Part Number: Z138-207 ), ( Size: 1unibit 1-3/8 )

Review OXMUL Step Drill Bit Metal 1-3/8 Inch To 7/8 Set Hard

Introducing the Oxmul Z138-207 Step Drill Bit, a versatile and high-performing addition to any DIYer or professional's toolkit. This step drill bit is specifically designed for use with 1-3/8 inch drills and can handle drilling holes with a diameter ranging from 7/32 to 7/8 inch.

The Oxmul Z138-207 is made of premium SGS-certified HSS (High Speed Steel), ensuring durability and longevity even during heavy-duty use. The bit's unique step design features six different drill bit sizes, eliminating the need for multiple bits for various drilling tasks.

Each step on this drill bit is precision-engineered to provide consistent and accurate drilling results. The bit's sharp cutting edges glide smoothly through various materials, including wood, metal, and masonry, delivering clean and neat holes.

The Oxmul Z138-207 Step Drill Bit boasts a robust and durable design, featuring a sturdy shank that fits securely into most standard drill chucks. The bit's protective black oxide coating shields it from rust and corrosion, maintaining its quality and functionality over time.

This step drill bit is an excellent choice for a wide range of applications, from home improvement projects to industrial applications. It's perfect for drilling pilot holes for screws, creating counterbores, and even making small diameter holes in masonry materials.

In summary, the Oxmul Z138-207 Step Drill Bit is a must-have tool for any DIYer or professional looking to streamline their drilling tasks. With its versatile step design, durability, and accuracy, this bit is sure to become an essential part of your tool collection.

Pros and Cons of buying a OXMUL Z138-207 Step Drill Bit for 1-3/8 7/8 Set

a. Versatility: This step drill bit set comes with various drill bit sizes within the 1-3/8 inch to 7/8 inch range. This makes it a versatile tool for handling a wide range of drilling projects.

b. High-Quality Material: Made of high-speed steel (HSS), these drill bits are durable and long-lasting. HSS material is known for its ability to retain sharpness and resist wear and tear, making it a preferred choice for heavy-duty drilling tasks.

c. Self-centering Design: The step drill bit design features self-centering tips that help to ensure accurate drilling alignment. This can save time and effort when drilling multiple holes in a row.

a. Cost: Compared to other drill bit sets in the market, the OXMUL Z138-207 Step Drill Bit for 1-3/8 7/8 Set may be more expensive. However, the investment in a high-quality, long-lasting set of drill bits may save money in the long run.

b. Size Limitations: While the range of sizes covered in this set is quite extensive, it might not be suitable for very large or very small drilling projects. For those, you may need to purchase additional, specialized drill bit sets.

The OXMUL Z138-207 Step Drill Bit for 1-3/8 7/8 Set offers several advantages, including versatility, high-quality materials, and self-centering design. However, it may come at a higher cost compared to other drill bit sets. Ultimately, the decision to buy this set depends on your specific drilling needs, budget, and the importance of having a high-performing, long-lasting drill bit set in your toolkit.

If you require a versatile, high-quality drill bit set with a wide range of sizes for your drilling projects and are willing to invest in a more expensive option, the OXMUL Z138-207 Step Drill Bit for 1-3/8 7/8 Set could be a great choice for you. However, if cost is a significant concern, you may want to consider other, more budget-friendly drill bit sets that cater to your specific drilling requirements.

Details:

Easily drilled through various platform of your zero-turn mower, bucket, lug bolt, old rack, iron rotors, washer, hydroponics tubing, water pipe, cabinet. This Drill bits is duty for Stainless Steel, Metal, Galvanized Aluminum,Iron, wood, Plastic and Copper. Product Dimensions: 1.4 x 3.4 inches; 6.3 ounces. Brand: OXMUL.

A Work Horse This straight shaped step bit is a work horse. Step Drill Bit for Metal, 1-3/8 to 7/8, Set SS, Hard wood, HEX Shank, 3-Steps. Shank Type: HEX. Manufacturer: Navigator Hardware.

Item dimensions L x W H: 1.4 3.4 inches. Item model number: Z138-207. This Drill bit can successfully drill more holes easily like to help you DIY. Finish Type: Black Oxide.

This step bit is tough,sharp and can drill double holes on steel metal like a Work Horse.

part #: z138207 prices

• $40.43-$41.94

specifications ancientdrills:

• brand: Oxmul
• part type: Step Drill Bit
• manufacturer part number: Z138-207
• size: 1unibit 1-3/8

offer ancientdrills:

• options: Ship-to-home
• quantity: 2
• availability: In Stock
• sold: 0
• started: January 9, 2026

general ancientdrills:

• Tools > Carpentry, wood working > Drills
• condition: New

payments ancientdrills:

• wallet: Paypal
• credit card: Discover
• other

seller ancientdrills:

• # reviews: 1085
• rating: 98.9%
• city: San Bernardino, CA

shipping ancientdrills:

• type: Fixed
• class: Expedited
• service: Expedited
• cost: $0.00
• transit: 4-8 Days

returns ancientdrills:

• paid by: Seller
• time: 60 Days
• method: Money back
• policy: Returns Accepted

Oxmul Z138-207 Is Similar To:

• Oxmul Co158 Large Step Drill Bit For Steel 1-5 8 Inch Pro 13holes M35 Cobalt Bits E (61% similar) Shank type: 3-FLAT. Manufacturer: navigator hardware. This cobalt drill bits is heavy duty for stainless steel, metal, galvanized aluminum,iron, wood, PVC and copper. Large step drill bit for steel, 1-5/8 pro 13 holes, M35 cobalt bits, extra-heavy duty stainless hard metal, aluminum, wood, 13...(May 28th, 2025)
• Oxmul Z204 205 M35 Step Drill Bit Set For Metal 1 8 1-3 8 19-steps Cobalt Bits Heavy (61.9% similar) A work horse this spiral shaped step bit is a work horse. Finish type: black oxide. The included case means your investment stays protected between jobs. This drill bits is heavy duty for stainless steel, hard metal, galvanized aluminum,iron, wood, PVC and copper. With a packing case...(November 25th, 2025)
• Oxmul 2pro Large Step Drill Bit Pro 16holes 2 Inch High Speed Steel Set Duty Fo (52% similar) Large step drill bit pro ,16 holes 2, high speed steel, bit set duty for metal, wood ,plastic Teri-shank. Shank type: 3-FLAT. Cutting diameter: 2 inches. Product dimensions: 2 x 3.9 inches; 13.12 ounces. Brand: Oxmul. Mid-duty for metal, aluminum, wood, plastic. Finish type: titanium...(December 2nd, 2025)
• Oxmul Co2pro Large Step Drill Bit For Steel 2 Inch 10holes M42 Cobalt Bits Extra Heav (52.6% similar) Brand: Oxmul. This drill bit can successfully drill more and holes easily into stainless steel plate like knife through butter. Set name: unibit. Easily drilled through the steel platform of your zero-turn mower, cold rolled steel, lug bolt, old rack, iron rotors, tractor bucket, washer, heavy...(February 24th, 2026)