CHANGZHOU CITY WANSUI TOOLS WORKS — Products

Spiral Flute Step Drill Bit Set

Spiral flute step drills are designed for creating holes of varying diameters in materials such as high-speed steel (HSS). These drills feature a fully-ground process and a tin-coated surface treatment for enhanced durability and performance.

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Step Drill Bit for Hole Enlargement

Step Drill Bit for Hole Enlargement

Spiral Flute Step Drill Bit Set

Step Drill Bit Set

Step Drill Bit

High-Speed Steel Step Drill Bit Set

High-Speed Steel Tap and Drill Bit Set

Round Thread Die Set

Round Thread Dies

Round Thread Die Set

ANSI Jumping Thread Taps (NPT)

Taper Pipe Tap

55° Straight Pipe Tap

60° Taper Pipe Tap

55° Taper Pipe Tap

High-Speed Steel Machine Tap Set

DIN351/UNF HSS Hand Tap Set

DIN351/UNC Hand Tap Set