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The FREUD DMAST1040 is a 5/8-inch by 1-3/16-inch SDS-Plus carbide-tipped hammer stop bit designed for drilling precise, shallow anchor holes in concrete. Each bit features a 2-cutter carbide tip and an integrated stop collar that sets a fixed drilling depth, making it well suited for high-volume anchor installation work where consistent hole depth is critical. The carbide tips are processed through a specialized brazing and hardening method that extends tip life and maintains cutting speed over repeated use. This pack includes 5 bits. Licensed tradespeople and concrete drilling crews working with corded or cordless SDS-Plus rotary hammers will find these bits a reliable consumable for anchor-setting applications.
The DMAST1040 is intended for concrete drilling applications where shallow, accurately controlled hole depth is required, such as anchor bolt or fastener installations in slabs, walls, and structural concrete. The stop collar eliminates the need for depth-marking tape or gauge stops on the hammer, speeding up repetitive work on the jobsite. These bits are optimized for use in both corded and cordless SDS-Plus rotary hammers, making them compatible with a wide range of tool inventory common on commercial and residential construction sites.
Designed for use with corded and cordless SDS-Plus rotary hammers. Suited for concrete anchor drilling applications requiring controlled shallow hole depth.
Installation is performed by a qualified tradesperson or concrete drilling technician using an SDS-Plus rotary hammer in hammer-drill mode. Confirm the stop collar is properly seated before drilling to ensure accurate depth control. Always wear appropriate PPE including eye protection and hearing protection when operating rotary hammer equipment. Follow applicable safety codes and tool manufacturer guidelines for concrete drilling operations.
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