4.20mm Dia Cobalt Drill for Stainless Steel

Sherwood  |  SKU: ZT4792008S
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The Sherwood range of HSS-Co heavy duty straight shank jobber drills offers durable and reliable cutting performance, boasting 5% cobalt alloy for enhanced strength and longevity in high-temperature, high-speed operations. These drills excel in drilling steels with tensile strength up to 1,400 N/mm, very hard bronze, stainless steels, as well as heat and acid-resistant steels. The cutting edges maintain sharpness for extended periods, minimising the need for frequent sharpening and maximising productivity, while also resisting corrosion effectively. Features and Benefits: Crafted with a 5% cobalt alloy, ensuring optimal performance at elevated speeds and temperature Capable of cutting metals with tensile strength up to 1,400 N/mm 135 point angle facilitates precise hole making and efficient cutting Extended cutting edge lifespan reduces the frequency of sharpening Excellent corrosion resistance enhances tool longevity Standards Manufacturing Standard: BS 328, DIN 338B Typical Applications Suitable for various cutting and drilling applications, including steel, bronze, stainless, and acid-resistant steels
Finish/Coating Bronze Oxide
Cutting Direction Right Hand
Point Type Split Point
Flute Type Spiral
Number of Flutes 2
Material Cobalt High Speed Steel
Shank Diameter Tolerance F11
Flute Length 43mm
Overall Length 75mm
Point Angle 135
Coolant Delivery External
Drill Diameter Tolerance H8
Helix Type Normal Helix
Drill Diameter 4.2mm
Web Thickness Strengthened
Standards Met BS 328 | DIN 338B
Flute Construction Ground flutes

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