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Drill Bit Extra Long High Speed Steel

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Drill Bit Extra Long High Speed Steel Specification

Drill Bits Types
Extra Long Drill Bit

Tool Type
Twist Drill Bit

Cutting Force
Optimized for lower cutting force due to sharp point geometry

Coating Type
None/Polished

Hardness
HRC 62-66

Machine Type
Drill Press, Hand Drill

Material
High Speed Steel (HSS)

Cutting Accuracy
High precision, suitable for accurate hole drilling

Operate Method
Power tool, Electric Drill or Drill Press

Features
Extra Length, High Precision, Suitable for Deep Drilling, Durable, Multiple Diameters

Operation Type
Rotary Cutting

Length
Extra long, up to 300mm or custom

Shape
Round, Straight Shank

Cutting Speed
High speed, up to 30 m/min (material dependent)

Cutting Capacity
Suitable for deep hole drilling, extra long depth capability

Cutter Type
Spiral Flute

Coating
Polished finish (uncoated)

Diameter
Range: 1mm 16mm

Maximum Torque
Depends on drill size and material; typical HSS rating

Processing Type
Cylindrical grinding

About Drill Bit Extra Long High Speed Steel

This unique range of Extra Long Drill Bits are designed to cater for all engineers drilling needs and offer a solution to all drilling problems where other drills cannot cope or stand up to modern manufacturing speeds and methods. The extra long series drills come in HSS, Carbide and Cobalt variants. For the suitability of each type of drill in chosen materials, please see our catalogue.

Drill bits are made from M2 grade of HSS, M35 & M45 grades of HSS.
Manufactured with ground flutes upto 14 mm and with milled flutes above 14 mm
Drill bit are available in TiN, TiCN and TiAlN coatings
general purpose (118 Deg), 90 Deg, 135 Deg, Split point 2mm to 14 mm.
Drill bits are manufactured as per German DIN 340 Standards / British BS 328 Part I Standards

Extra Long Depth Capability

Designed for deep hole drilling, the extra long lengthreaching up to 300mmallows users to achieve extended depth with precision, reducing the need for multiple passes or tool changes. This makes the drill bit ideal for projects where deep, accurate holes are essential for performance and safety.

High Precision and Durability

Manufactured from fully hardened high speed steel (HSS), these drill bits feature high cutting accuracy and exceptional wear resistance. The precision-ground spiral flute complements the optimized point geometry, minimizing cutting force and maximizing efficiency in tough materials.

Versatile Application Range

These drill bits accommodate a broad spectrum of materials, including metal, wood, and plastic. The straight shank and polished finish enhance compatibility and reduce friction, while the available diameter and length options allow users to select the ideal tool for their requirements.

FAQs of Drill Bit Extra Long High Speed Steel:

Q: How should I use the extra long HSS drill bit for deep hole drilling?

A: Insert the drill bit into a compatible power tool or drill press, ensuring correct alignment and stability. Select the appropriate speed based on the material, and apply steady force to achieve a clean, deep hole in metals, plastics, or wood.

Q: What benefits does the extra long drill bit offer for deep drilling?

A: Its extended length enables the drilling of deep holes without compromising precision, while the high speed steel composition ensures durability and consistent performance even during prolonged use or demanding jobs.

Q: Where can these extra long drill bits be effectively applied?

A: They are best suited for industrial and manufacturing settings, as well as woodworking and metalworking applications that require extra-long, precise holes. Distributors and suppliers in India can provide availability details.

Q: What is the standard diameter tolerance and drill bit hardness?

A: The drill bit is manufactured with diameter tolerances conforming to HSS drill standards and delivers hardness levels between HRC 6266, ensuring longevity and reliability in tough materials.

Q: When should I choose an uncoated, polished drill bit over coated alternatives?

A: Select the polished, uncoated drill bit when drilling deep, precise holes in non-abrasive materials where maximum cutting accuracy and reduced friction are needed, and where coating is not required for specific chemical resistance.

Q: What process is used to manufacture this drill bit and how does it affect performance?

A: Cylindrical grinding is the primary manufacturing process, resulting in a smooth, bright surface finish and sharp geometry that enhances cutting efficiency and ensures optimal chip evacuation during deep hole drilling.

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