HSS Twist Drill Bits

High-speed steel twist drill bits for precision drilling in metal, wood, and plastic. Manufactured in our Hangzhou facility with strict quality control and competitive factory pricing.

HSS Drill Bit Selection

Choose HSS Twist Drill Bits by Material, Size and Coating

HSS twist drill bits are the default choice for mild steel, aluminum, wood, plastic and general workshop drilling. The right quote depends on steel grade, point angle, coating, shank and packaging level.

Best-fit workpiecesMild steel, aluminum, brass, wood, plastic and general maintenance drilling.
Common standardsDIN 338 jobber length, DIN 340 long series, DIN 1869 extra-long, metric and imperial sets.
Buyer decisionChoose 4341 for economy, M2/6542 for better life, TiN/black oxide by market positioning.
Buyer scenarioRecommended specificationBest-fit useQuotation focus
Economy retail setHSS 4341, bright or black finishDIY, wood, plastic, light steelLow price, full size range, packaging appeal
Workshop metal drillingM2 / 6542 HSS, 118° or 135° split pointMild steel, aluminum, brassBetter centering, fewer complaints, stable repeat orders
Higher-value coated setTiN coated HSS, round or hex shankMixed metal use, hardware distributionShelf appeal, rust resistance, upgraded margin

What to send before quotation

Send steel grade, drill diameter range, shank type, surface finish and packaging requirement.

Send Specs to Wryno

About HSS Twist Drill Bits

As a specialized HSS drill bit manufacturer based in Hangzhou, China, Wryno Global produces high-speed steel twist drill bits engineered for consistent performance across general-purpose drilling applications. Our HSS drill bits are manufactured from premium high-speed steel (HSS 4341 / HSS 6542), delivering the hardness and heat resistance required for drilling through mild steel, aluminum, brass, wood, and plastic materials.

The twist drill bit is the most widely used drill bit type worldwide, and our manufacturing line covers the full range — from micro-diameter precision bits to large-diameter industrial bits. Each HSS twist drill bit features a precisely ground 118° or 135° point angle, optimized flute geometry for efficient chip evacuation, and surface treatment options (black oxide, bright, or TiN-coated) to match your market requirements.

Whether you need standard DIN 338 jobber-length bits, DIN 1869 extra-long bits, or custom OEM specifications with private labeling, our factory can deliver. We support bulk orders with MOQ starting from 500 pieces per size, and offer competitive factory-direct pricing for importers, distributors, and OEM buyers worldwide.

HSS twist drill bit set with titanium coating

Applications & Materials

Mild Steel Drilling

Ideal for drilling mild steel plates, tubes, and structural components. HSS drill bits handle standard steel drilling with reliable performance.

Aluminum & Non-Ferrous

HSS twist drill bits work well on aluminum, copper, and brass. Sharp point angle reduces grab and delivers clean holes.

Wood & Plastic

Versatile HSS drill bits for wood, MDF, plywood, and plastic materials. Suitable for construction and DIY applications.

General Maintenance

Essential for maintenance workshops and repair operations. A cost-effective choice for general-purpose drilling needs.

Technical Specifications

Our full range includes:

  • Diameter: 1mm – 25mm (fractional and metric sizes)
  • Shank types: Straight shank, reduced shank
  • Length: Jobber length, stub length, extra-long
  • Point angle: 118° (standard), 135° (split point)
  • Surface treatment: Bright, black oxide, TiN-coated

Contact us for detailed specifications and custom sizes.

Need Custom HSS Drill Bits?

Send us your specifications and quantity requirements. We provide factory-direct pricing, OEM labeling, and sample availability within 7 business days.