Specification size:          

Outer diameter * high =9*11mm (error 0.05), middle groove width: 4.5 or 3.2

Product classification:

1.75mm consumable material is 3.2mm wide, and 3.0mm consumable material is 4.5mm wide.

Material: stainless steel

Weight: 4G

Specific data: M3 thread, gear inner diameter 5mm, specific data reference drawings.

Be careful:

The difference between MK8 and MK7 concave gear:

1, the specifications are different: the concave gear specifications of MK7 are inner diameter 5mm/ outer diameter 12mm/ long 13mm.

2, machine screw is different: MK7 uses M4 nut.

3, MK7's concave gear has only 1.75mm gears, and MK8's concave gear can be used for consumables at 1.75 and 3.0mm.

Package content : 1pcs