0.52CUM CAT312 Excavator Hydraulic Grapple Q345B Q690D Material

^{CAT312 Excavator Bucket Grab BSP 3/4" Hose Fittings Easy Operation High Precision Assembled}

^Description:

^{Excavator bucket grab is a special excavator attachments,it have both the excavating and grabbing function.Can complete lots of works and do not need to replace the attachments.}

^{The Excavator bucket grab is one cylinder design,and the cylinder is in the bucket,not like other thumb grab,cylinder base is on excavator stick.}

^{Because cylinder is set in the grab bucket body,so also can use quick coupler to hold it,very convenient}

^{When open the finger to max open,can do only excavating work.}

^{Because do not need welding base on stick,so do not need to amend the stick structure,it's good for keep the original good structure of stick.}

^{Specification:}

^{Above paramter is our standard design,if have special requirements,can communicate with us and customize for you.}

^{Our advantages:}

^{-1. Welding is golden proportion protective-gas welding,the golden proportion is 80% Argon and 20% CO2 mixed.}

^{-2. All our products is high precision assembled.Pins is zero to zero standard,and boss hole is only 0.15mm bigger than pins' diameter,very hard for assembly,but high precision,high precision means very durable and longer life.}

^{-3. ucket side plate,finger side plate,have welding NM400 outside,very durable.}

^{-4. Our grab bucket design is very wide design,so it's better for excavating work.}

^{-5. Have internal gusset plates,very durable.}

^{Factory and Delivery pictures:}

Our service:
1. We specialized in customizing all kinds of long boom for all kinds of excavators.
We have detailed dimension of this Hitachi ZX870 excavator,so just give us the excavator model is ok.
2. Main sheet Material of this Hitachi ZX870 excavator long reach boom is Q345B + Q690D,the top and bottom cover plate of boom and stick is Q690D,and other sheet is Q345B,Pin’s material is 42CrMo4.
3. Before welding,we have use big edge milling machine mill the edge of the sheet.So the welding can go to the internal of the steel-sheet and make the structure have higher performance.
4. Welding is protective gas welding,the protective gas is 80% Argon and 20% CO2 mixed.
5.For all long boom we produced,will supply follow parts: