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1.This kind adaptor has high quality, 2.Abrasion resistance of caterpiller teeth is very good, 3.Impact resistance is strong - details see: https://www.machineto.com/j250-6i9250-excavator-bucket-adaptors-10090029

The making process:

wax-injection--assembling--shell making---de-wax--shell baking---pouring---sand cleaning--grinding--polished---heat treatment--polishing----painting

Advantages:Excellent tensile/elongation strength,situable for various hard working

condition.

Material:	Low carbon alloy steel
Machine type:	Excavator, Loader,Bulldozer,etc.
Brands:	Komatsu,Volvo,JCB,Hyundai,Daewoo,Hitachi,etc
Heat treatment:	Quenching ,tempering and annealing treatment
Hardness:	Teeth : HRC48-52 ,Impact value >15J ; Adapters : HRC34-38 ,Impact value >28J
Work condition:	With excellent tensile and yield strength, good abrasion and impact resistance,they are very suitable for many different hard working conditions.
Packing	The big size case could be packed 1.5 ton,medium size 1 ton,samll size 600-700 kilograms.

CATERPILLER
J200
1U3202	1.5
1U3202TL	1.47
4T1204	2.1
8J7525	1.6
8J7525-12	1.3
8E-6208(11×59)/ 1U4208(FU)	0.04
8E-6209/ 4T0001	0.01
J220
6Y3222	1.85
6Y3224	3.1
6Y3224-20	3.2
6Y3224-17	3.3
6Y3228(14×69)(FU)	0.08
8E-6259/ 3G9609	0.025
J250
1U3252	3
E250SYL	3.4
M25E	3.2
9N4252	3.9
1U3252TL	3.4
1U1254	5.4
6Y3254	4.2
6I9250	13.7
6I9251	13.7
1U0257	8.5
3G4258	10
3G4259	10
8E-6258(14×79)/9J2258(FU)	0.09
8E-6259/3G9609	0.02
J300
1U3301	3.9
1U3302	4.7
UG-1U3302	4.7
E300SYL	4.8
M30E	4.8
9J4309	3.8
9N4302	5.5
1U3302TL	4.5
1U3302RC	5.7
1U1304	8
3G6304/8E9490	8.1
3G6308	8.6
3G6304HD	7.3
4T4307	14
3G4308	16
3G4309	16
8E5308	17.6
8E5309	17.5
107-3308(14×92)/9J2308(FU)	0.1
8E-6259/3G9609	0.02
16×93	0.14
1U3302Washer	0.02
J350
1U3352	6.3
UG-1U3352	6.3
1U3352R-1	6.8
9N4353	11
E350SYL	7
9N4352	7.9
1U3352TL	7.6
1U3352RC	8.1
6I6355	10.4
6I6356	10.4
3G3357/1U1357	19.3
3G5358	26.5
3G5359	26.5
3G8354	8.5
3G8355	7.9
3G8356	7.9
3G8354HD	10.1
8J4310	10.5
8J4310-40	10.2
8E-6358(19×108)/9J2358,114-0358(FU)	0.22
8E-6359(35×18.2×0.8)/3G9549	0.04
114-0359	0.027
20×105	0.25
1U3352Washer	0.05
1U3352Washer(35×19.2×0.8)	0.05
J400
7T3402	9.4
UG-7T3402	9.4
7T3402RC	10
7T3402RC-B	9.7
8E4402	11.4
7T3402TL	12.2
6I6404	13.8
6I6404-45	14.3
6I6404-50	13.3
7T3408(22×118)(FU)	0.34
8E-8409	0.05