High quality 1/2' thread hex nut sds plus shank drill chuck adaptor gray color

• Size:  1/2" 20 UNF or Customized
• Material:40CR
• SDS adapter increases the usefulness of your rotary hammer.
• Allows you to use straight shank twist bits in a "drill only" mode. 
• Chuck is made completely of metal in a three-jawed design. 
• Application: drill chuck, hollow electric hammer drill professional connection tool, has a stronger connection performance.

Hope you will enjoy a comfortable cooperation with us!