HIGH-PERFORMANCE SOLID CARBIDE TWIST DRILLS

ZECHA twist drills cover a wide range of applications and materials. All series offer high precision, optimum tool life and best value for money.

HIGHLIGHTS:

Highly precise twist drills from
Ø 0.10mm up to Ø 12.00mm from stock!

Intermediate sizes and special tolerances can be delivered at short notice

High-precision serial tools by secured manufacturing processes

By default, all twist drills are manufactured with a restricted shaft tolerance h5.

All twist drills are serially or on request available with TiAlN coating

Aluminium cast, titanium or hardened steels: We have the optimum tool for many materials

	Series 630/631: For price and performance on softer, easy machining materials or for small production batches even on more difficult materials. It is an all purpose micro drill for good machinability materials.
	Series 632: For ease of drilling in more difficult materials. It will perform better on both older and newer generation machines making the choice to use this drill very easy. Can be used at higher Feeds. Very Good Price & Performance for Titanium, Austenitic Steels, Tough Materials, Aluminium Cast Alloys and Cast Iron.
	Series 633: The High Performance Twist Drill, suitable for High Speed Machining, Hard Machining and Dry Machining. For Materials >HRC 55 and with coatings >HRC 60.
	NEW!! Series 612/635: Tungsten carbide micro drills with internal coolant supply and pilot drill: High-performance drillign system for deep holes with diameters of Ø 0.75 mm and more and cutting lengths up to 24xD
	NEW!! Series 636: Tungsten carbide micro drill with degressive helix for improved chip removal under difficult conditions and deep holes up to 12xD
	Series 639: For longer lasting performance on 316L type Stainless Steels and Alloys and ductile materials with good price to performance parameters.