Speaking of SDS max drills, their shanks are 18mm thick and have 05 rails. Among types of SDS drills the big rotary hammers also have a similar system, but a larger one called the SDS-Max. Read More About – SDS Drill vs Hammer Drill: Which is the Best? What is SDS Max Drill?Īs mentioned earlier, SDS max is an improved version of SDS plus drill type. This shank and the chucks of SDS drill bits made for it are especially suited to hammer drilling with masonry drills in stone and concrete. Therefore, those bits can simply push into the chuck without tightening. The shank of SDS has the advantage of fitting into a simple spring-loaded chuck. This drill bit size is popular and suited for hammering up to 4kg. SDS plus drill has a 10mm diameter shank and 04 rails. They are super easy to insert and remove no tools are required. Those grooves lock securely into the chuck.Īlthough it allows the bit to move back and forth independently of the chuck. And also locking balls are attached to the grooves. Those four grooves are consisting of two open grooves and two closed grooves. SDS-Plus bits have four grooves on the shanks. SDS, SDS plus, and SDS max are different by their drill bits, operational modes, and chucks. There are also several types of small chipping and chiselling bits. Drills from 5/32” to 1-1/8” and thin wall carbide core bits up to four inches. There is a few differences in SDS Vs SDS Plus drills.īoth SDS and SDS plus are used with carbide drill bits. SDS is about phased out and SDS plus can be bought from most stores. Slotted Drive Shaft (SDS)” had many iterations over the years and can identify with different variations. An SDS Plus drills are with a powerful hammering action and it uses a special drill bit with 4 rails. It can be used for heavy-duty work due to its high performance. The SDS plus drill is an improved version of the SDS drill.
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