1. impact value: 17-21J,
2.hardness:47-52HRC
3. PC60 adapter 20X-70-14151 (2.4kgkg) 
4. 20 days delivery

For Komatsu, we have teeth and adapters for PC60,PC70,PC100,PC120,PC200,PC300,PC400,PC500,PC650,PC1250

Mechanical Property for PC60 adapter 20X-70-14151 (2.4kg)

Material	Hardness	V-Norch	Tensile	Elongation	Yeild
T1	47-52HRC	akv>=16J	>=1499Mpa	>=3%	>=1040N/mm2
T2	48-52HRC	akv>=20J	>=1500Mpa	>=4%	>=1100N/mm2
T3	48-52HRC	akv>=20J	>=1550Mpa	>=5%	>=1100N/mm2

model list of komatsu PC60 tooth adapter and side cutters...

Part No.	Description	N.W. /kg
PC60   20X-70-14160	PC60  TOOTH	1.8
PC60RC	PC60 ROCK TOOTH	2
PC60  20X-70-14151(15mm)	PC60 ADAPTER	2.4
PC60  20X-70-14151(20mm)	PC60 ADAPTER	2.4
201-70-74171R	PC60 SIDE CUTTER	7
201-70-74171L	PC60 SIDE CUTTER	7

Material Hardness V-Norch Tensile Elongation Yeild
T1 47-52HRC akv>=16J >=1499Mpa >=3% >=1040N/mm2
T2 48-52HRC akv>=20J >=1500Mpa >=4% >=1100N/mm2
T3 48-52HRC akv>=20J >=1550Mpa >=5% >=1100N/mm2

We also can produce other casting parts according to your drawing and sample.