Dormer Jobber Drills for Stainless Steel HSS

Drills up to 4 x diameter. Split point. Point angle: 135. Manufactured to BS328, DIN338.

Series A108 - Metric

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 (MT1) - Metric

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

Dormer HSCO Jobber Drills

A901 HSCo PFX Alcrona Top Jobber Drill
High productivity "one-hit" drilling to 6xD
Alcrona Top coating for extended tool life.
Excellent performance across a wide range of materials.
Size Range: 1.5 - 16.0mm, 1/16” - 5/8”

A901 HSCO Jobber Drills Coated

A901
Excellent for: Carbon/alloy steels, stainless and cast iron
Good for: Titanium, nickel and copper

Dormer Taps

Dormer MTT-X Series taps are manufactured from HSS-X1 Steel with a Bright finish, they are right Hand Cutting.

Manufactured to ISO 529
Spiral Flute for threading blind holes.
Taper lead to DIN form C.
Tapping tolerance to 6H.
Max Depth 2.5 x D.
Helix angle 48.

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

Dormer Machine Taps

MTT-X taps are manufactured from premium quality vanadium powder steel, branded HSS-XS1, for an unbeatable combination of toughness, edge strength and wear resistance. This winning combination enables them to withstand the stresses of threading in tough materials. Special gold finish with bright flutes/thread, or steam tempering (blue) guarantee a smooth cutting action with less build-up on the cutting edge.

For all dimensional specifications please refer to our catalogue.

ISO Metric: E000 Spiral Point (Gold Coated)

For through holes. Taper lead to DIN form B. Tapping tolerances to 6H. Max depth 2.5 x D.

Dormer Stub Drills

A921
High productivity "one-hit" drilling to 3xD. Excellent performance across a wide range of materials. Parabolic flute design promotes constant chip flow. Alcrona Top coating for extended tool life
Size Range: 2.5-16.0mm. Manufactured to BS 323, DIN1897, ansi.

Dormer Taps

Dormer MTT-X Series taps are manufactured from HSS-X1 Steel with a Bright finish, they are right Hand Cutting.

Manufactured to ISO 529
Spiral Flute for threading blind holes.
Taper lead to DIN form C.
Tapping tolerance to 6H.
Max Depth 2.5 x D.
Helix angle 48.

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

MTT-X Series E023 Spiral Flute UNC (Unified Coarse) Tap

Dormer Taps

Dormer MTT-X Series taps are manufactured from HSS-X1 Steel with a Bright finish, they are right Hand Cutting.

Manufactured to ISO 529
Spiral Flute for threading blind holes.
Taper lead to DIN form C.
Tapping tolerance to 6H.
Max Depth 2.5 x D.
Helix angle 48.

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

Dormer Jobber Drills Steam Tempered HSS

Suitable for drilling steel, cast steel, alloyed and unalloyed, grey cast iron, spheroidal iron, sintered powder metal, German silver and graphite. Manufactured to BS328/DIN338RN.

Black Finish (W-Finish)
This is the most common surface finish and is the result of a steam tempering operation in which steam is passed over the product during a controlled tempering cycle, producing a black oxide layer. Black tools are generally recommended for ferrous applications where the oxide layer aids chip flow, helps to dissipate heat by retaining some coolant on the tool surface and also helps to prevent the tool from staining.

Series A100