Sherwood Long Series Drills Steam Tempered HSS

General-purpose drills to drill steels with tensile strength up to 1,000N/mm2, cast steel, grey cast iron, malleable cast iron, nickel brass and graphite. Point angle: 118, helix angle: normal, web thickness: normal, relief angle: 10-20, tolerance of diameter: h8, tolerance of f11. Manufactured to BS328;Part 1:1986, DIN340RN, ISO494.

For all dimensional specifications please refer to our catalogue.

Series L100 - Metric

Sherwood Gauge Drills HSS Steam Tempered

General purpose drills for steels, cast steel, grey cast iron, malleable cast iron, nickel brass, aluminium alloy and graphite. Point angle: 118, helix angle: normal, web thickness: standard, relief angle: 8 - 20, tolerance of diameter: h8, tolerance of shank: f11. Manufactured to ANSI B328, BS 328 and DIN 338.

Number & Letter Gauge Drills:
Gauge drills are still in common use in the U.S. In the past, they were popular elsewhere, but now have been largely discarded in favour of metric sizes. When using a gauge rather than a standard measurement of size the user has to refer to a table of gauge sizes. For example, to drill a hole which is 10 thou (thousandth of an inch .0010) bigger than a 1/8 inch bolt, the user must first work out that 1/8 inch is 125 thou, so the hole size needed is 135 thou, and then must look up in a reference book which gauge drill bit is closest to this diameter - a number 29. Number gauge sizes are similar or equivalent in some respects to, but different from, American wire gauge. Number gauge is usually used from size 80 (the smallest) to size 1 (the largest) followed by letter gauge size A (the smallest) to size Z (the largest). Number gauge is actually defined down to size 97, but these smaller sizes are rarely encountered. It happens that as the technology for making small drill bits and drilling small holes has become more available, metric drills have become the norm.

For all dimensional and technical specifications please refer to our catalogue.

Series J100 - Gauge Sizes

HSS-Co. 8% Plain Shank Milling Cutter 4 Flute

Centre cutting, used for profile milling, milling keyways and producing open slots.
Bright finish. Flute type: 30° helix.
Overall dimensions to DIN 844.
Plain shank to DIN 1835A.

Metric Tolerances
Nominal Dia. Limits of Tolerance
Up to 38mm 0.0630 -0.0130
Above 38mm 0.1250 -0.0000

Regular Length

Sherwood Taps

Sherwood HSS Taps are the general purpose option for thread cutting in most materials including steel, some stainless steels, cast irons and non-ferrous materials such as Aluminium, Brass and many others.

Manufactured with precision ground flutes for producing accurate thread forms, Sherwood Taps are available in all the popular thread forms and as straight Flute `Hand` Taps in 3 leads, Fluteless, Spiral Flute, or Spiral Point Machine Taps and also Long Series.

Sherwood Tap dimensions conform to ISO529 apart from NPT Forms which conform to ANSI 94.9. Straight Flute and Fluteless Taps are manufactured with a standard Bright Finish whereas the Machine Taps have an Oxidised Finish for best results dissipating the heat build-up associated with these applications.

Thread Forms are Class 2 medium fit tolerance.

For all technical and dimensional specifications please refer to our catalogue.

Spiral Point Tap BSPF (British Standard Pipe Fine) Ground Flute HSS

A spiral point tap has a chiselled point that pushes the metal chips ahead of the forming threads. This is useful when tapping through-holes (holes that extend through the work piece).

Spiral Point taps are not recommended for use in blind holes: the accumulation of chips can bind and break the tap.

Sherwood Gauge Drills HSS Steam Tempered

General purpose drills for steels, cast steel, grey cast iron, malleable cast iron, nickel brass, aluminium alloy and graphite. Point angle: 118, helix angle: normal, web thickness: standard, relief angle: 8 - 20, tolerance of diameter: h8, tolerance of shank: f11. Manufactured to ANSI B328, BS 328 and DIN 338.

Number & Letter Gauge Drills:
Gauge drills are still in common use in the U.S. In the past, they were popular elsewhere, but now have been largely discarded in favour of metric sizes. When using a gauge rather than a standard measurement of size the user has to refer to a table of gauge sizes. For example, to drill a hole which is 10 thou (thousandth of an inch .0010) bigger than a 1/8 inch bolt, the user must first work out that 1/8 inch is 125 thou, so the hole size needed is 135 thou, and then must look up in a reference book which gauge drill bit is closest to this diameter - a number 29. Number gauge sizes are similar or equivalent in some respects to, but different from, American wire gauge. Number gauge is usually used from size 80 (the smallest) to size 1 (the largest) followed by letter gauge size A (the smallest) to size Z (the largest). Number gauge is actually defined down to size 97, but these smaller sizes are rarely encountered. It happens that as the technology for making small drill bits and drilling small holes has become more available, metric drills have become the norm.

For all dimensional and technical specifications please refer to our catalogue.

Series J100 - Gauge Sizes

Sherwood Stub Drills HSS

General-purpose drills for use on automatics and turret lathes. Suitable for drilling steels, cast iron, alloy steel and malleable cast iron. Point angle: 118, Helix angle: Normal, Web thickness: standard, Relief angle: 10-20, Tolerance of diameter: h8, Tolerance of shank: f11. Manufactured to BS328:Part 1:1986/DIN338.

Series S100

Sherwood Machine Reamers

Left hand spiral flute, right hand cutting. Manufactured to BS 122.

For all dimensional specifications please refer to our catalogue.

Metric

Sherwood® Printed Circuit Board Drills Solid Carbide

Suitable for drilling through printed circuit boards. Shank diameter: 3.175mm, 38mm overall length. Manufactured to DIN1899.

For all dimensional and technical specifications please refer to our catalogue.

Sherwood Straight Shank Parallel Hand Reamers

Used to produce a close tolerance surface finish by hand in almost any environment i.e. on site or in a workshop. Manufactured to BS 328 : Part 4 : 1990 and DIN 206B.

Spiral Flute Parallel Hand Reamers - Inch

For all dimensional specifications please refer to our catalogue.

Sherwood Straight Shank Parallel Hand Reamers

Used to produce a close tolerance surface finish by hand in almost any environment i.e. on site or in a workshop. Manufactured to BS 328 : Part 4 : 1990 and DIN 206B.

Spiral Flute Parallel Hand Reamers - Metric

For all dimensional specifications please refer to our catalogue.