GEM Co.

Korean Tools

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GEM Co.
[Korea]

Address
48-1 Sacheon-dong, Sangdang-gu, Cheongju-si, Chungcheongbuk-do
Phone
82-2-3084101
Contact name
Young-guk Lee

Quick Information

  • Place of Origin: Korea

Description

Name & Figure Symbol & Materials Application & Advantage Range of Stock
Hand Reamer

GEM 100
GEM 115
HSS
Straight & Spiral Flute, JIS, H7
Tolerance
Suitable for thru Hole

1mm~50mm

Hi Helical Reamer

GEM 445
M35
M42

LH Spiral45' DIN, H7 T olerance
Much Higher Feed rate about 50%
ST, MT Shank

2mm~40mm

SpiralChucking Reamer

GEM 407
M35
M42

LHSpiral7'
DIN, H7 Tolerance
For Precision Mold
Suitable for thru Hole
ST, MT Shank

2mm~40mm

Carbide Helical Reamer

GEM C445
Carbide
(Ultra Fine)

LHSpiral45'
Much Higher Feed rate about 50%
ST, MT Shank

2mm~32mm

Carbide
SpiralChucking Reamer

GEM C407
Carbide
(Ultra Fine)

LHSpiral7'
DIN, H7 Tolerance
For Precision Mold
Suitable for thru Hole
ST, MT Shank

2mm~32mm

Long Hi Helical Reamer
Long Spiral Chucking Reamer

GEM 475
GEM 437
M35
M42

H7 Tolerance
ST, MT Shank
LH Spiral 7' ,45'

5mm~25mm

Carbide Reamer

GEM C100
Carbide
(Ultra Fine)

All Solide Carbide
Straight Flute
H7 Tolerance

1mm~16mm

Carbide super Helical Reamer

GEM JC460Carbide
(Ultra Fine)

LHSpiral60'
JIS, J5 Tolerance
Much Higher Feed rate about 50%

2mm~32mm

HSS NC Spot Drill

GEM 900
M35

For centering & Chamfering of tapping holes in one operation 90', 120'

2mm~25mm

Carbide NC Spot Drill

GEM C900 Carbide
(Ultra Fine)

For centering and chamfering of tapping holes in one operation 90', 120'

2mm~25mm

Counter Bore

GEM 625
HSS

RH Spiral, 4F
For Mold Bolt

3mm~25mm

Counter Sink Hole

GEM 890
GEM 850
M35
M42

Burr Away
Chamfering
TiN, TiALN Available

6mm~50mm

Counter Sink 1F

GEM 891
GEM 851
M35
M42

Burr Away
Chamfering
TiN, TiALN Available

6mm~50mm

Counter Sink 3F

GEM 893
GEM 853
M35
M42

Burr Away
Chamfering
TiN, TiALN Available
6mm~50mm

Carbide Step Drill

GEM STD Carbide
(Ultra Fine)

One tool
For two opertion 90',180' Step

M3~M20

Carbide Burnishing Reamer

GEM BD Carbide
(Ultra Fine)

Self Centering function
Guide function
Excellent surface

3mm~16mm

Carbide Center Drill

GEM C700 Carbide
(Ultra Fine)

Centering
h6 Shank
RH 8'

1mm~6mm

Accu Center

GEM ACU100

For Making Setting point

Au-10

HSS Coner Rounding Cutter

GEM 810
M42

For making formR
4F

1mm~20mm

Carbide Coner Rounding Cutter

GEM C810 Carbide
(Ultra Fine)

For making formR
2F ~ 3F

0.5mm~12mm

Carbide Tap

GEM TPH Carbide
(Ultra Fine)

All Solid
Straight & Spiral Flute
Level 3

3mm~16mm

Helical T-Cutter

GEM THCT
M2

RH Spiral25'
Unequal flutes
Higher performance than T-solt Cutter
TiN, TiALN

10mm~50mm

Pilot Drill

GEM TPD
M42
TiN, TiALN

For Centering
Oil Coolant
TiN, TiALN

6mm~30mm

Spot Weld Drill

GEM SWD
M42

For disassemble spot weld parts

6mm~8mm

Step Drill

GEM 1400
M35
M42

For making various holes

6mm~12mm


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