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

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.

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