INLAY CORE PINS

Product Name Large- diameter
Straight Core
Pins-Shaft
diameter(D) selection/Shaft
diameter(P)
designation-
Round Shank
Core Pins
Round Core
Pins for Boss-Shaft
diameter(D)
selection/Shaft
diameter(P)
designation-
CORE PINS FOR BOSS
-Gas release
hole type-
Part Number GCMN GCMK
GCMX GCMBN
GCMBK GCMBX
CPD-□□ CPP-□□
CPH-□□ CPV-□□
BC□S-□□
BC□BS-□□
GV-BC□S-□□
GV-BC□BS-□□
 
Product Name Straight Core Sleeves-S dimension designation type- -S dimension selection type- Core Pins for
Shaft Holes
Inlay Core Pins-Shaft diameter(D)
selection type-
Part Number CS□K□4T CS□K□
CS□KB□4T CS□KB□
CS□□4T CS□□
CS□B□4T CS□B□
CPS□□
CPSB□□
CP□-2A
CP□B-2A
 
Product Name Inlay Core Pins-Shaft diameter(D)
selection type-
Inlay Core Pins-Shaft diameter(D)
selection type-
-Shaft diameter(P)
designation type-
-Shaft diameter(P)
designation type-
Part Number CP□-2B
CP□B-2B
CP□-2C
CP□B-2C
CP□-2D
CP□B-2D
CP□-2E
CP□B-2E
 
Product Name Inlay Bushings-Head type- Inlay Bushings-Straight type-    
Part Number IRHB IRB    
     

Inlay Core Pins

Type Group Tolerance Material
Shaft dia.
(D or P)
Tip part
(A, V)
Length
(L, F)
SKH51 SKD61
Precision 0
-0.005
±0.005 +0.01
0
CPV-2□ -
Standard 0
-0.005
±0.01 +0.02
0
CPH-2□ CPP-2□
-0.01
-0.02
±0.015 +0.02
0
- CPD-2□
Precision 0
-0.005
±0.005 +0.01
0
CPVB-2□ -
Standard 0
-0.005
±0.01 +0.02
0
CPHB-2□ CPPB-2□
-0.01
-0.02
±0.015 +0.02
0
- CPDB-2□
Tolerances of dimension F and A vary depending on the shape.

Material Characteristics of Core Pins(Round²Round Shank²Inlay)and Core Sleeves.

Use these data for reference only as they are dependent on specific heat treatment and usage conditions.
Material SKH51
High speed
tool steel
SKD61
Thermal
die steel
NAK80
Precipitation
hardened steel
group Pre
hardened steel
Hardness    HRC 58~60 48~52 37~43
Machining
characteristics
Wear resistance 5 3.5 2
Ability to be mirror-finished 4 4 5
Toughness 3 5 1
Corrosion resistance 3 3 3
Physical
characteristics
Density [g/cm3] 8.2 7.75 7.8
Modulus of longitudinal elasticity [kgf/mm2] 22300 21000 20500
Coefficient of thermal expansion [×10-6/°C] 10.1 10.8 12.5
Thermal conductivity [cal/cm·sec·°C] 0.0509 0.061 0.1
Mechanical
characteristics
Tensile strength [kgf/mm2] 235 135 128
Charpy impact values [kgf·m/cm2] 2 6 2.2
Machining characteristics

Conversion formula
1kgf/mm2=9.81N/mm2
1cal/cm·sec·°C=418.6W/M.K
1kgf·m/cm2=9.81J/cm2