TOYOSEIKI Dial Bore Gauge – 50–150 mm (with Peacock Dial Indicator)

This TOYOSEIKI Dial Bore Gauge (50–150 mm) is designed for high‑accuracy internal diameter measurement across medium‑to‑large bores. The gauge uses a spring‑loaded contact system paired with a Peacock dial indicator, providing crisp, repeatable comparative readings.

The set includes multiple anvils and extension rods to configure the gauge for different bore sizes within the 50–150 mm range. The long handle ensures stable alignment inside the bore, and the Peacock indicator offers smooth needle movement and clear graduations.

TOYOSEIKI bore gauges are known for robust construction and workshop reliability, while Peacock indicators are widely respected for their smooth mechanics and consistent accuracy.

Brand Information

TOYOSEIKI (Japan) A Japanese manufacturer of precision metrology tools used in machining, automotive, and inspection industries.

Peacock (Japan) A respected Japanese brand producing dial indicators, bore gauges, and precision measuring instruments known for smooth movement and stable accuracy.

Features and Performance

• 50–150 mm measuring range — Covers medium to large bores and cylinders.
• Peacock dial indicator 5mm, 0.01mm — Clear, stable comparative readings.
• Interchangeable anvils & rods — Configure for multiple bore diameters.
• Spring‑loaded contact system — Ensures consistent measurement pressure.
• Long handle — Provides stable alignment inside the bore.
• Japanese build quality — Durable, accurate, workshop‑ready.

Included

• 1 × TOYOSEIKI Bore Gauge Body (50–150 mm range)

• 1 × Peacock Dial Indicator – 5mm range, 0.01mm resolution

• Interchangeable anvils & extension rods

• Wooden storage case (used condition)

Specifications

Keywords

TOYOSEIKI bore gauge; Peacock dial indicator; 50–150 mm bore gauge; internal diameter gauge; machinist measuring tool; engine cylinder gauge; Japanese metrology instrument.