Sherwood Drill Blanks HSS

Jobber length blank hardened and ground all over. Accurately ground without back taper. Diameter Tolerance: h8. Manufactured to DIN 338.

Series J400

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

Guhring GT100 Jobber Drills HSS

HSS GT100 jobber drills. For drilling in difficult conditions when swarf congestion prevents an adequate flow of coolant. For use in steel and cast iron having a hardness of up to 1000N/mm2. Not recommended for nickel-chrome steels or similar material. Manufactured to BS 328/DIN 338.

Series 549 - Inch

Kennedy® Stub Length Drills Carbide

For drilling into steel, cast steel, cast iron, chilled cast iron, malleable cast iron, non-ferrous materials and abrasive plastic. Point angle: 118°, helix angle: 30°, tolerance of diameter: h7, tolerance of shank: h6. Manufactured to DIN 6539.

Tolerances:
Cutting Dia. plus 0.000mm - 0.015mm.
Shank Dia. plus 0.000mm - 0.030mm.

Kennedy® Carbide Stub Length Drills - Metric

Sherwood Extra Length Drills Taper Shank HSS

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. Point angle to BS328 PTI 1986.

For all dimensional specifications please refer to our catalogue.

1 Morse Taper - Inch

Dormer Drills Taper Shank HSS

General-purpose drills to drill steels with a tensile strength up to 1.000 N/mm2, cast steel, grey cast iron, malleable cast iron, nickel brass and graphite. Point angle: 118°, helix angle: normal, relief angle: normal, tolerance of diameter: h8. Manufacturing Standard: DIN345.

For all dimensional specifications please refer to our catalogue.

Series A130 (MT2) - Metric

Sherwood Jobber Drills Bright Finish HSS

General-purpose drills for steel, 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: 10-20, tolerance of diameter: h8, tolerance of shank: f11. Manufactured to BS328/DIN338RN. Bright finish: drills with a bright finish are supplied in the as-ground condition and such tools are used generally in the machining of non-ferrous materials.

Series J100 - Inch - Bright Finish

Guhring HSS GT100 Straight Shank Extra Length Drills

Manufactured to DIN 1869. Right hand cutting. Flute type GT100 - Guhring’s parabolic flute design is suitable
for a wide range of materials and the most universal - can be used to successfully drill ferrous and non-ferrous materials.
Standard GT100 drills incorporate a 130º point angle with a Type A web thin for maximum efficiency. Nitrided lands.

Series 502 - Metric

Dormer 'Select-A-Drill' Set HSS TiN Coated

In a 'dial-a-drill' style case with a clear top to view drills.

'Select-A-Drill' 19 Piece Set HSS TiN Coated - Metric

Set contains: 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0, 9.5 and 10mm drills.

Sherwood Extra Length Drills Steam Tempered HSS

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: 10-20, tolerance of diameter: h8, tolerance of shank: f11. Manufactured to BS 328 : Part 1 : 1986.

For all dimensional specifications please refer to our catalogue.

Series E100 - Inch Sizes