ER32 Wrench CNC Collet Chuck ER UM Nut Spanner discount

Description

• Apply to ER32UM NUT.
• The ER nut adopts open end or annular groove design. Fix accurately and avoid skidding.
• High quality medium carbon steel is adopted as materials of spanner head. The surface hardness of spanner is higher than ER Nut reaching HRC58-62 to be durable.
• Blackening the surface of the spanner and installing the rubber handle after chroming gives it a delicate appearance and a comfortable feel.
• Each batch of products would be sampled for toque testing to ensure the safety.