The Sutton Tools Jobber Drill Bit Blue Bullet, identified by the model D1020420, is a high-speed steel (HSS) drill bit designed for precision drilling applications. Manufactured by Sutton Tools, a reputable brand in cutting tools, this drill bit has a diameter of 4.2mm.

The Blue Bullet coating on the Sutton Tools D1020420 Drill Bit enhances performance by reducing friction and increasing wear resistance. The jobber length design provides versatility for a range of drilling tasks. With a diameter of 4.2mm, this drill bit is suitable for various materials and applications. Trust Sutton Tools for reliable and high-quality cutting tools to meet your drilling needs in both professional and DIY settings.

Sutton tools Jobber Drill Bit Blue Bullet HSS 4.2mm D1020420 Features:

• 118° web thinned point reduces the amount of thrust required.
• Precision engineered parallel shank for accurate hole size.
• Made from M2 High Speed Steel (HSS) offering the best combination of strength, heat & wear resistance.
• Blue surface finish for ferrous applications. The steam oxide finish prevents chip build-up on the cutting edges and reduces cutting friction, especially in low carbon steels.
• Designation: N
• Material: HSS
• Finish: Blu
• Max Cut Depth: 5 x D
• Shank Form: A
• Helix Angle: R30
• Point tolerance: h8
• Point Angle: 118°
• Point Form: Form A
• Standard: ANSI B94-11 / DIN338

Applications:

• ISO: H
• VDI: 41
• Description: Cast Iron
• Condition: Hardened and Tempered
• Hardness: 55HRC