Technical

HSS Taps• Alpha HSS Hand Taps are precision manufactured in Europe to ISO529 standards. HSS Hand Taps are general purpose taps suitable for hand and machine operation, and are suitable for production use. 2N Tolerance for optimum thread fit that balances fastener performance, manufacturing, economy and convenience. Suitable for use in Steel, Aluminium, Copper, Brass etc. Always use lubricant. Alpha TAPER TapsAlpha Taper Taps have a lead of eight threads and are used as a starting tap in dif …

TAP DRILL SIZEOn tough materials like stainless steel we recommend you take advantage of the extra allowance.It is especially important in deep holes of 2 times diameters and greater. In the thread charts that follow the correct tapping size is given in the information. We also give the alternative maximum size, as with good modern drills the drilled hole can be small. Here is a Tapping Chart you can use for reference: (Click to open and download the chart) LUBRICANTS A …