OEM · private label · custom geometry

Micro tooling, engineered in Dongguan since 2011.

Solid carbide micro drills, micro end mills and micro reamers, engineered and ground in Dongguan since 2011.

Operated by DONGGUAN TONNY INSTRUMENT TECHNOLOGY CO., LTD at Longwan District, Dongguan City, Guangdong, China.

Established: 2011
HQ: Dongguan, Guangdong, China
Plant area: 10,000 m²
Diameter range: Ø 0.03 – 1.0 mm
Runout: ≤ 5 µm
Held tolerance: ±0.002 mm
Engineers & operators: 300+
MOQ: 1 unit

Introduction

Our plant in 2 minutes 38 seconds

A short walk-through of the 10,000 m² plant — the grinding bays, the coating line, assembly and the dimensional-verification bench.

Duration: 2:38
Plant: 10,000 m²
Coverage: Grinding, coating, assembly and dimensional verification
Video file: On request

Our plant in 2 minutes 38 seconds — Precision Micro Tooling Division · Dongguan, Guangdong, China

Inside the plant

The factory floor, on the record.

Twelve stations across the plant — grinding, coating, assembly and the inspection bench.

Manufacturing & equipment

Product lines

Eight families, one plant.

Every entry is a live configuration — the diameter band, coating options and tolerance class are stated per item.

Full catalogue

How we work with you

Terms, in plain numbers.

Minimum order 1 unit Sample-friendly prototype runs — no volume commitment to start.
OEM / private label Supported Your branding, packaging and specification on our geometry.
Custom geometry Drawing or sample Reverse-engineered and documented before anything is ground.
Engineering reply 1 business day A specification engineer answers, not a sales queue.
Warranty 12 months Regrind policy and the part-return process are published.
Logistics Air, courier, sea Small parcels and containerised freight, both handled in-house.

Catalogue

The catalogue at a glance.

Product families 8 Drills, end mills, reamers, chamfering, routers, PCD, composite and custom geometry.
Published tools 149 Every entry is a live configuration with its diameter band and coating stated.
Diameter range Ø 0.03 – 1.0 mm Bands are published per item, not one marketing span.
Coatings Black oxide · bronze · DLC · none Chosen for the workpiece material and the coolant regime.
Runout ≤ 5 µm Measured at the cutting end and reported per lot.
Markets served 5 Europe, North America, Japan, South Korea, Southeast Asia

Story

Built one tool at a time.

Est. 2011 · Dongguan

DONGGUAN TONNY INSTRUMENT TECHNOLOGY CO., LTD was established in 2011 in Longwan District, Dongguan City, Guangdong, China. What we do is deliberately narrow: solid carbide micro drills, micro end mills and micro reamers, developed and ground under one roof, and sold under your name when you want them to be.

The catalogue today covers 8 families and 149 published configurations, spanning Ø 0.03 – 1.0 mm. Every product page states the diameter band, the coating options and the tolerance class — the values we actually supply, not a range we advertise.

Three things have not changed since 2011: custom geometry developed from a drawing or a failing sample, an engineering reply within one business day, and a one-unit minimum for samples.

In-house capability

What we make ourselves.

Geometry, substrate, coating and dimensional verification — all of it on the same floor.

Stage 01

Geometry development

Diameter, rake, clearance, flute count and coating chosen for the feature, not copied from a standard.
Stage 02

Substrate selection

Solid carbide grade matched to workpiece hardness and material behaviour under the cut.
Stage 03

Coating specification

Coating chosen for the workpiece and the coolant regime — TiAlN, DLC, diamond-like, or none.
Stage 04

Dimensional verification

Diameter, runout and length verified per lot on a calibrated measuring system before release.

Applications

Six industries we spec for.

All industries

Tour the plant

Visit Dongguan, or walk the floor with us.

We host buyers on site every week, or run a walk-through of the grinding bays, the coating line and the inspection bench.

Schedule a tour Manufacturing & equipment

Compliance

Certifications and standards.

BSCI Audited
ISO 9001:2015
IATF 16949
ISO 14001
CE Marking
FCC Certified

Certificate library

Micro tooling, engineered in Dongguan since 2011.

Our plant in 2 minutes 38 seconds

The factory floor, on the record.

Eight families, one plant.

Custom Micro Tooling

Micro Drills

Micro Reamers

Micro End Mills

Chamfering & Finishing Tools

Routers & Engraving Cutters

PCD & Diamond Tooling

Formed & Composite Tools