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National Enterprises HSS Drill Bits

HSS Twist Drill Bits – Metric (MM)

Code: NE-DB-MM In stock · wholesale & retail
Price on request Wholesale & bulk rates available

Straight shank HSS twist drill bits in metric diameters for accurate drilling in steel, iron and non-ferrous metals.

Material
High-Speed Steel (HSS)
Standard
DIN 338 (Jobber length)
Finish
Bright / Black oxide
  • Precision-ground HSS for consistent hole size
  • 118° point angle for general-purpose metal drilling
  • Polished flutes for fast chip evacuation
  • Straight cylindrical shank for standard drill chucks
  • Suitable for hand drills, bench and pillar drills
PackagingPacks of 10 pcs per size; boxed sets available
Minimum order1 pack
DeliveryAcross Pakistan
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Quality assuredChecked before dispatch
Wholesale pricingVolume discounts available
Nationwide deliveryCourier & cargo
Expert supportHelp choosing sizes

01 Product Overview

HSS Twist Drill Bits are made for clean, accurate holes in mild steel, cast iron, aluminium, brass and other suitable materials. The precision-ground flutes clear chips efficiently while the 118° split-point style tip helps the drill start on target with less walking.

They are a dependable everyday choice for engineering workshops, fabrication units, maintenance departments and general industrial use, on bench drills, pillar drills and hand-held drilling machines.

Key features

Precision-ground HSS for consistent hole size
118° point angle for general-purpose metal drilling
Polished flutes for fast chip evacuation
Straight cylindrical shank for standard drill chucks
Suitable for hand drills, bench and pillar drills

02 Technical Specifications

BrandNational Enterprises
Product codeNE-DB-MM
CategoryHSS Drill Bits
MaterialHigh-Speed Steel (HSS)
StandardDIN 338 (Jobber length)
FinishBright / Black oxide
PackagingPacks of 10 pcs per size; boxed sets available
Minimum order1 pack
TypeTwist drill, straight shank
Point angle118°
HelixRight hand, Type N
Length seriesJobber (DIN 338)
Size range1.0 mm – 13.0 mm

03 Available Sizes

Common sizes are listed below. Other sizes may be available on request. Ask our team for current stock.

Diameter (mm)Flute length (mm)Overall length (mm)
1.01234
2.02449
3.03361
4.04375
5.05286
6.05793
8.075117
10.087133
12.0101151
13.0101151

04 Applications

Drilling mild steel, cast iron and alloy steels
Aluminium, copper and brass components
Fabrication and maintenance work
General engineering workshops

05 Selection & Usage Tips

Choose the right size

Match the diameter, thread or profile to your drawing. For taps, use the correct tapping drill size listed in the size table.

Correct speed & feed

Use cutting speeds suited to the material. Harder materials need lower speeds; excess speed shortens tool life.

Use lubrication

Cutting oil or coolant reduces heat, improves finish and extends tool life when cutting steel.

Work safely

Clamp the workpiece securely and wear safety glasses and gloves. Replace worn or chipped tools.

06 Frequently Asked Questions

Do you supply wholesale and bulk quantities?

Yes. We supply workshops, retailers, contractors and industrial buyers in bulk. Send us your required sizes and quantities for a wholesale quotation.

Do you deliver outside Karachi?

Yes, we dispatch orders across Pakistan through reliable courier and cargo services. Delivery charges depend on the destination and order weight.

How do I get a price quotation?

Use the Request a Quote form on this page, call us or send a WhatsApp message with the product name, size and quantity. Our team replies with availability and pricing.

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