E312, E320, E330 Sprocket for Excavator Parts Caterpillar

タイトルまたは説明

Specilize in manufacturingnon-standardRoller chain(special chains).

Why Choose us
1)Customer design: our experienced engineer team can develop the products and  manufacture them in accordance with samples or drawings or only ideas
2) Factory: China chain factory here. We provide you high quality of chains with competitive price 
3) Partner: Our partners among world top enterprises, such as  Foton, FAW, Delisi,Qingdao Kangda, etc





We can supply types and sizes sprocket according to you design.

Both Standard or nonstandard.

Hardness: ****2 HRC
Place of Origin: China
SPROCKETS & PLATWHEELS SIZE
*3B*1 *3A*1 5*2.5mm
*4B*1 *4A*1 6*2.8mm
*5B*1 *5A*1 8*3mm
*6B*****3 *6A*****3 3/8"*7/*2"
**1B*1 **1A*1 1/2"*1/8"
**3B*1/**4B/1 **3A*1/**4A*1 1/2"*3/*6"
**5B*1 **5A*1 1/2"*1/4" Roller 7.*7 Roller 8.*1
*8B*****3 *8A*****3 1/2"*5/*6"
*0B*****3 *0A*****3 1/2"*5/*6"
*2B*****3 *2A*****3 3/4"*7/*6"
*6B*****3 *6A*****3 1"**7.*2mm
*0B*****3 *0A*****3 1"1/4*3/4"
*4B*****3 *4A*****3 1"1/2*1"
*8B*****3 *8A*****3 1"3/4*1"*4
*2B*****3 *2A*****3 2"*1"1/4

STOCK SPROCKETS
FB *****0 S
SB *****0 S-D-T
*6B**2B S-D-T
TB BTL *****0 S-D
QTL *****0 S-D-T
STL *****0 S-D-T
BTL *6B**2B S-D
SB sprockets with other
Tensional sprockets
Steel stock sprockets
Double singl sprockets
Weld-on sprocket
Double pitch sprockets
SB engineering
Sprockets & Chins
Engineering sprockets
Cast malleable iron chains
Stock engineering chains


Material: C*5, *0CrMnTi, *0Cr, *2Cr ,Mild steel, cast steel, cast iron, forged steel, stainless steel, alloy steel,  POM, aluminium alloy, zn alloy, bronze, brass, chrome.

Surface treatment: Carburizing, hardening and tempering, nitriding, high frequency treatment, black of oxidation, zincing, nickelage.

Machine: CNC engine lathe, milling machine, drilling machine, hobbing machine, gear shaper, grinding