Product Description

CNC strong ER wrench

Bite accurate specifications complete non-slip design

ER numerical control wrench

Brand	Yue Li Technology	place of origin	China
Brand name	ER wrench	species	M type, UM type, crescent type, A type, 0 type
Material	High quality steel 20CRMOTI	specification	variety

ER engraving machine type A wrench

Name Type ER-A wrench

Material made of cast steel

Model ER11/ER16/ER20

Main features :ER wrench; Heat treatment hardness :45-48HRC clamping nut directly tighten, high steel. A type M type distinction, convenient for engraving machine, computer gong, spindle machine, extension rod clamping nut rotation

It is suitable for nut removal of tool handle, tool bar and extension bar of ER type (unit MM).

A-wrench	A	B	C	L	Applicable nut
ER11A	17.3	35.7	11.7	116	ER11-A
ER16A	25.3	53.3	17.3	145.5	ER16-A
ER20A	30.3	61.3	18	165	ER20-A

ER engraving machine M wrench

Main features :ER wrench; Heat treatment hardness :45-48HRC clamping nut directly tighten, high steel. A type M type distinction, convenient for engraving machine, computer gong, spindle machine, extension rod clamping nut rotation

Name: ER-M type wrench

Material: Cast steel

Model: ER8/ER11/ER16/ER20

It is suitable for nut removal of tool handle, tool bar and extension bar of ER type (unit MM).

M wrench	A	B	L	Applicable nut
ER8	13	9.4	77.5	ER8-M
ER11	17	12	96.5	ER11-M
ER16	24	12	119	ER16-M
ER20	29	12	132	ER20-M

ER engraving machine UM, C type wrench

Main features :ER wrench; Heat treatment hardness :45-48HRC clamping nut directly tighten, high steel. UM type C type distinction, convenient for engraving machine, computer gong, spindle machine, extension rod clamping nut rotation

Name: ER-UM, C-type wrench

Material: Cast steel

Model: ER25/ER32/ER40

It is suitable for nut removal of tool handle, tool bar and extension bar of ER type (unit MM).

UM wrench	A	B	C	L	Applicable nut
ER25	37.4	64.6	29.6
ER32	45.4	73	31
ER40	57.3	86.8	35

It is suitable for nut removal of tool handle, tool bar and extension bar of ER type (unit MM).

Type C wrench	A	B	L	Applicable nut
APU13	4.3	25.5	173	ER32-B
APU16	4.7	27.5	190	SK16
C32	4.7	28.2	258	C32强力刀柄
C42	4.7	75	280	C42强力刀柄

ER engraving machine O-wrench

Main features :ER wrench; Heat treatment hardness :45-48HRC clamping nut directly tighten, high steel. Type 0 differentiation, convenient for engraving machine, computer gong, spindle machine, extension rod clamping nut rotation

Name :ER-O type wrench

Material: Cast steel