Dormer A100 HSS Jobber Drill Bit 1/2in OL:151mm WL:101mm | A1001/2

Dormer A1001/2 1/2in HSS jobber drill bit (151mm overall, 101mm working)

Dormer A1001/2 is a metal drill bit designed for general-purpose holemaking where a reliable, standard jobber-length drill is required. With a 1/2in tip diameter, it’s a practical choice for workshops, maintenance teams and fabrication tasks needing an imperial-size twist drill.

Using the A1001/2 helps you keep common fractional sizes on hand for repeatable drilling work, with a 101mm working length and 151mm overall length suited to everyday drilling reach.

Key Features

• Jobber length design: A versatile, general-purpose drill length suited to a wide range of workshop drilling tasks.
• 1/2in tip diameter: Ideal for applications requiring an imperial fractional drill size.
• HSS construction: Built for metal drilling applications where durability and consistent cutting performance are needed.
• 101mm working length: Provides useful drilling reach for common hole depths without stepping up to extra-long drill series.
• 151mm overall length: Balanced length for control and access in typical bench, pillar drill and hand drilling setups.

Specifications at a glance