MŨI KHOAN UNION

Drill Bits ・Router Bits / Tungsten Carbide Drills

Our main product "PCB DRILL" is today manufactured more than 10 million pieces per month. PCB DRILLS are produced by in-house designed machines. Developed with the specific policy of "the highest quality in the highest efficiency". Providing high quality drills and service system, 60% of domestic market and 45% of global market are shared by UNION TOOL PCB DRILLS.

Index

Index of Tungsten Carbide Drills  (402KB)

Specification & Technical Terminology / PCB Drills Size-Shank Marking  (396KB)

Conversion Table  (86.3KB)

Safety Warning /How to use "Drill Case Opener"  (883KB)

K Series ø2mm Shank Drill  (536KB)
The newly developed K Series drill is designed and optimised for High Speed Spindles.
Model Number	Characteristic	Appearance	Size
KMD	Drill bits for High Speed Spindle	Straight Type	ø0.075〜ø0.25
KMV	Drill bits for High Speed Spindle	Under Cut Type	ø0.075〜ø0.25
KMC	Drill bits for High Speed Spindle	Under Cut Type	ø0.075〜ø0.25
KUC	Drill bits for High Speed Spindle	Under Cut Type	ø0.3〜ø2.0
KID	Inverse Drill for High Speed Spindle	Straight Type	ø2.05〜ø4.05

MD ( Micro Drill ) Series  (438KB)
Model Number	Characteristic	Appearance	Size
MD	Improved hole registration accuracy and inner hole wall quality	Straight Type	ø0.05〜ø0.25
MC	Improved hole registration accuracy and inner hole wall quality	Under Cut Type	ø0.15〜ø0.25
MV	Improved hole registration accuracy and inner hole wall quality	Straight Type	ø0.15〜ø0.25
MCV	Improved hole registration accuracy and inner hole wall quality	Under Cut Type	ø0.2〜ø0.25

UC/UV ( Small Diameter ) Series  (438KB)
Model Number	Characteristic	Appearance	Size
UC	Standard Drill	Under Cut Type	ø0.3〜ø0.55
UV	Offers a good balance between hole registration accuracy and inner hole wall quality	Under Cut Type	ø0.3〜ø0.75

UC35/UM35/UA Series  (478KB)
Model Number	Characteristic	Appearance	Size
UC35	Improved hole registration accuracy and inner hole wall quality	Under Cut Type	ø0.8〜ø1.6
UM35	Drill for Multi-Layer Board	Under Cut Type	ø0.6〜ø1.6
UA	Improve inner hole wall quality	Under Cut Type	ø0.8〜ø1.6

UM30 Series /ST Series  (510KB)
Model Number	Characteristic	Appearance	Size
UM30	Drill for Multi-Layer Bases	Under Cut Type	ø1.65〜ø3.175
ST	Standard Drill	Straight Type	ø0.3〜ø3.175

ID30C ( Inverse Drill ) Series  (472KB)
Model Number	Characteristic	Appearance	Size
ID30C	Chip Breaker/Thinning Inverse Drill	Straight Type	ø3.2〜ø6.5

SX24 ( Slot Drilling ) Series  (481KB)
Model Number	Characteristic	Appearance	Size
SX24	For Slot Drilling	Under Cut Type	ø0.5〜ø1.6

◆ Drill Bits･Router Bits / Tungsten Carbide Routers

We prepare not only the drills for printed circuit board but various kinds and abundant sizes tools for PCB processing.

Index

Index of Tungsten Carbide Routers/Note  (960KB)

Specification & Technical Terminology / PCB Drills Size-Shank Marking  (396KB)

Safety Warning / How to use "Drill Case Opener"  (883KB)

RCM/RHM Series （Standard Diamond Router）  (470KB)
Model Number	Characteristic	Size
RCM	For General Contour Routing	ø0.6〜ø3.175
RHM	Improved Burr Reduction	ø0.8〜ø3.175

SC Series （Chip-Breaker Flute Router）  (225KB)
Model Number	Characteristic	Size
SC	Improved Burr Reduction	ø0.6〜ø3.175

SCM-FT Series （Chip-Breaker Flute Router）  (454KB)
Model Number	Characteristic	Size
SCM	For General Contour Routing	ø0.8〜ø1.8

RS Series （Down Draft 2-Flutes Slitting Router）  (444KB)
Model Number	Characteristic	Size
RS	Down Draft Slitting Cutter	ø0.4〜ø3.175

RP Series （Up Draft 2-Flutes Slitting Router）  (444KB)
Model Number	Characteristic	Size
RP	Up Draft Slitting Cutter	ø0.4〜ø3.175

SF Series （DP Type Single-Flute Router ）  (441KB)
Model Number	Characteristic	Size
SF	For Soft Material Bases	ø0.8〜ø3.175

SM Series （Semilunar-Type Cutter ）  (437KB)
Model Number	Characteristic	Size
SM	For Spot Facing Work	ø1.0〜ø3.0

SI Series （Straight 2-Flute Type）  (454KB)
Model Number	Characteristic	Size
SI	For Long-Life Spot Facing Work	ø1.0〜ø3.0

IC Series （Taper 2-Flute Type)  (435KB)
Model Number	Characteristic	Size
IC	For Taper Spot Facing Work	ø1.0〜ø3.0

RV Series （V-Groove Cutter）  (431KB)
Model Number	Characteristic	Size
RV	For V-Groove Work	ø1.0〜ø3.175

RA Series （For Nonferrous Metals）  (437KB)
Model Number	Characteristic	Size
RA	For Nonferrous Metals	ø0.8〜ø3.0

RI Series （Noiched Straight 3-Flute Type )  (436KB)
Model Number	Characteristic	Size
RI	For Contour Finishing	ø0.8〜ø3.175

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