Best selling Drill bit inserts from Optimum

On this page you’ll find a ranking of the best Drill bit inserts from Optimum. To give you a quick overview, we’ve added the most important product details. This page always stays fresh and updates automatically.

1. Optimum Twist Drill Set HSS with Morse Taper MK2

The Optimum HSS Spiral Drill Bit Set with Morse Taper MK2 is a comprehensive set consisting of nine high-quality spiral drill bits. These bits are made from high-speed steel (HSS), which gives them a long service life and durability. The various sizes ranging from 14.5 mm to 30 mm allow for versatile applications in different materials. The right-hand cutting bits are specifically designed for efficient chip removal, making machining easier and improving the quality of the drill holes. The set is ideal for professional craftsmen as well as DIY enthusiasts who value precision and quality. With the Morse Taper MK2, the bits are easy to handle and provide a secure connection to drilling machines. This set is a valuable addition to any workshop and is excellent for various drilling tasks.

- Made from high-speed steel (HSS) for long service life
- Right-hand cutting design for efficient chip removal
- Extensive selection of drill bit diameters from 14.5 mm to 30 mm
- Compatible with Morse Taper MK2 for easy handling.
 

Optimum Twist Drill Set HSS with Morse Taper MK2 (14.5 mm, 16 mm, 18 mm, 20 mm, 22 mm, 24 mm, 26 mm, 28 mm, 30 mm)
Drill bit insert
CHF218.36 CHF24.26/1pcs.

Optimum Twist Drill Set HSS with Morse Taper MK2

14.5 mm, 16 mm, 18 mm, 20 mm, 22 mm, 24 mm, 26 mm, 28 mm, 30 mm

2. Optimum Centre drill bit set 10 pcs. 0.75-4.5 mm HSS

The Optimum centering drill set includes ten precisely manufactured drills with diameters ranging from 0.75 to 4.5 mm. These drills are designed according to DIN 333 Form A and offer high quality suitable for various applications in metalworking. The drills are made from high-quality HSS (high-speed steel), giving them a tensile strength of up to 750 N/mm². The right-cutting conical mantle grind with a point angle of 60° ensures precise centering and allows for clean starting holes. The practical plastic case provides safe and organized storage for the drills, keeping them readily accessible at all times. This set is ideal for professionals and hobbyists who value precision and durability.

- High-quality HSS for high tensile strength
- Right-cutting conical mantle grind with 120°
- Point angle of 60° for precise centering
- Suitable for starting holes and subsequent drilling
- Practical plastic case for storage.
 

Optimum Centre drill bit set 10 pcs. 0.75-4.5 mm HSS (4.5 mm)
Drill bit insert
CHF46.73 CHF4.67/1pcs.

Optimum Centre drill bit set 10 pcs. 0.75-4.5 mm HSS

4.5 mm

3. Optimum Twist drill bit set 41-piece, 6 - 10 mm (0.1 mm increments)

The 41-piece spiral drill bit set offers a comprehensive selection of bits with diameters ranging from 6 to 10 mm, with increments of 0.1 mm. This precise gradation allows for high flexibility and adaptability for various applications. Made from high-quality HSS-Co 5% steel, the drill bits are characterized by their durability and resilience, making them ideal for use on different materials. The set complies with DIN standard 338, ensuring high quality and reliability. The spiral drill bits are specifically designed for precise drilling and provide optimal chip removal, minimizing overheating and wear. With a total of 41 pieces in a practical storage solution, these drill bits are suitable for both professional craftsmen and hobbyists who value quality and versatility. The spiral drill bit set is an essential tool for any workshop, enabling efficient and precise processing of metal and other materials. 

Optimum Twist drill bit set 41-piece, 6 - 10 mm (0.1 mm increments) (10 mm)
Drill bit insert
CHF148.99 CHF3.63/1pcs.

Optimum Twist drill bit set 41-piece, 6 - 10 mm (0.1 mm increments)

10 mm

4. Optimum Countersink set 6-piece: 6/8/10/11.5/15/19 mm

The Optimum countersink set includes six high-quality countersinks with diameters of 6, 8, 10, 11.5, 15, and 19 mm. These tools are manufactured according to the DIN 335C standard and provide a precise and efficient way to break and remove burrs without leaving scratches on the surface. The set is compatible with common cordless screwdrivers and drills, including bench drills, making it a versatile addition to any workshop. The practical plastic case ensures safe storage and easy transport of the countersinks, keeping them readily accessible. This countersink set is ideal for professionals and DIY enthusiasts who value quality and functionality.

- High-quality workmanship according to DIN 335C
- Effective removal of burrs without scratches
- Compatible with common cordless screwdrivers and drills
- Practical storage in a plastic case.
 

Optimum Countersink set 6-piece: 6/8/10/11.5/15/19 mm (10, 11.5 mm, 15, 19 mm, 6, 8)
Drill bit insert
CHF64.37 CHF10.73/1pcs.

Optimum Countersink set 6-piece: 6/8/10/11.5/15/19 mm

10, 11.5 mm, 15, 19 mm, 6, 8

5. Optimum Twist drill bit set HSSE Co5 25 pcs. 1-13mm DIN338 0.5mm rising, in ABS plastic box

The Optimum HSSE Co5 spiral drill set includes 25 high-quality spiral drills manufactured according to the DIN 338 standard. With diameters ranging from 1 mm to 13 mm and a gradual increase of 0.5 mm, these drills offer versatile applications for various materials. The four-flute 135° cross-ground technology ensures excellent self-centering, enhancing precision during drilling. The alloy components used in production improve tool longevity and enable high speed and feed characteristics. The strong core construction of the drills optimizes their structural strength and minimizes the risk of breakage during use. The entire set is delivered in a practical ABS plastic box that ensures safe storage and easy transport.

- Manufactured according to DIN 338 standard for high precision
- Four-flute 135° cross-ground for excellent self-centering
- Improved tool longevity through special alloy components
- Strong core construction to minimize the risk of breakage.
 

Optimum Twist drill bit set HSSE Co5 25 pcs. 1-13mm DIN338 0.5mm rising, in ABS plastic box (1 mm - 13 mm)
Drill bit insert
CHF65.71 CHF2.63/1pcs.

Optimum Twist drill bit set HSSE Co5 25 pcs. 1-13mm DIN338 0.5mm rising, in ABS plastic box

1 mm - 13 mm

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