Sherwood 0.42mm HSS Jobber Drill Bit SHR0250017N

Overview Summary

The Sherwood SHR0250017N 0.42mm HSS S/S Jobber Drill is a micro-precision drill bit designed for extremely accurate metal drilling. Crafted from high speed steel (HSS), it delivers excellent durability, heat resistance, and precise cutting performance at very small diameters.

Its jobber length design ensures stability and control, making it ideal for micro-engineering, electronics, jewelry, and other precision workshop applications.

Key Features

• 0.42mm diameter for ultra-precision drilling

• Jobber length for stable and controlled performance

• Manufactured from high speed steel (HSS)

• Suitable for steel and various ferrous/non-ferrous metals

• Heat resistant for long-lasting durability

• Precision ground flutes for smooth chip removal

• Perfect for micro-engineering, electronics, and fine metalwork

Specifications

The J100 Series are general purpose HSS straight shank drills with a black oxide finish. Ideal for applications involving steel (including cast steel) cast iron (including malleable cast iron) as well as nickel, brass aluminium alloys and graphite. Their 118° point allows for precise hole alignment and reliable cutting performance whilst the black oxide coating helps reduce heat by retaining coolant on the tool surface. The coating also helps reduce the risk of the tool staining.

Features and Benefits

• High speed steel construction for increased tool durability
• Point angle of 118° for precise holemaking and precision cutting
• Black oxide coating helps aid chip flow, reduce heat and prevent staining
• Ideal for applications involving steel, iron, nickel, brass, aluminium alloy and graphite

Typical Applications

• Cutting and drilling
• Ferrous materials
• Steel
• Iron
• Nickel
• Brass
• Aluminium alloy
• Graphite

Notes

• Available in sizes 0.25mm -20.00mm

Standards

• Manufactured to BS 328/DIN338RN

Package Content

• 1 x Sherwood 0.42mm HSS Jobber Drill Bit

Warranty Term

• Manufacturer’s warranty against manufacturing defects (subject to terms and conditions).

Why Sherwood

Sherwood cutting tools are trusted for precision, durability, and reliable performance. Engineered for micro-accuracy and long-lasting use, Sherwood tools deliver dependable results in workshops, engineering, and trade applications.

Order by 4PM to get delivered next working day! We use 24 hours service with carriers in most cases so that you can get your order delivered on time.

Free delivery for total orders above RM500, otherwise additional charges costs are calculated at checkout based on your order’s weight and delivery location.

Further details please click here for more info.

Please notify us within 14 calendar days of receiving your product to request a free exchange or full refund, if eligible. We will cover all return shipping costs, and no restocking fees will apply in this case.

Requests made after 14 days may be accepted at our discretion and will be subject to a 10% restocking fee. Techno Tools & Equipment reserves the right to reject any return request found to be ineligible.

Further details please click here for more info.