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High Precision ER Spanner

Brief introduction
ER wrench ER spanner,Wrench is the use of leverage wrenching bolts, screws, nuts and other threaded fasteners hand tools. Wrench usually made one or both ends of the handle opening or aperture sets of clamping bolts or nuts. When applied to the use of the direction of rotation along the threaded shank force can wrenching bolts or nuts. 

Specifications
1.Model NO.:ER8/11/16/ 20/ 25/ 32/ 40/50 wrench spanner
2.:TYPE:UM,MINI,A
3.Material: 42CrMo Hardness: HRC40-45
4.Standard:American Type, Metric, British, German Type, European Type
5.Feature:Anti-Explosion, Ordinary, Anti-Magnetic
6.Origin:Jining, China
7.Packaging Detail:  Plastic boxes, cartons
8.Delivery Detail: 15-20 days after receiving the deposit and all package information confirmed.

Model	B	L	Clamping Nut
ER11-A	17	110	ER11-A
ER16-A	25	120	ER16-A
ER20-A	30	130	ER20-A
ER8-M	7.5	70	ER8-M
ER11-M	11	90	ER11-M
ER16-M	15	110	ER16-M
ER20-M	19.5	120	ER20-M
ER25-M	25	130	ER25-M
ER16-UM	26	180	ER16-UM
ER20-UM	30	190	ER20-UM
ER25-UM	37	210	ER25-UM
ER32-UM	45	250	ER32-UM
ER40-UM	58	290	ER40-UM
ER50-UM	74	350	ER50-UM