However, because a tool model number always corresponds to only one kind of chuck system, model numbers are used to pinpoint the exact tool (chuck system included) after sale. Tools that use these systems will almost always be advertised with the name of the chuck system as part of the tool's advertised name. The type of chuck system cannot be determined by simply looking at the chuck, probing its opening with a finger, or by any other means. Hammer drill and rotary hammer owners must know which chuck system their tool uses. (SDS and SDS-Plus are the only cross-compatible bit systems, making the terms interchangeable.) Comparably, any SDS MAX or Spline bit will also fit perfectly into any tool with a matching chuck system. So, for example, any of the SDS-Plus bits pictured below (despite their differing bit diameter, length, and other features) will fit perfectly into any SDS/SDS-Plus chuck system, because their shank diameters are the same, and the number/placement of their grooves are the same. The number and type of grooves/keyways on the bit shank that fit into the innards of the chuck. The diameter of the bit shank (the end of the drill bit that fits into the chuck), andĢ. This is because the type of chuck system completely determines two things:ġ. Although there are other bit type considerations when making a purchase, as far as making sure that the bit shank will fit the hammer chuck, matching it to the chuck system is the one and only step. Match the Bit Type to the Chuck System To find a compatible bit for your hammer drill or rotary hammer, you only need to know one thing: the chuck system (SDS/SDS-Plus, SDS Max, or Spline). This article explains the design differences between these systems, and it explains why knowing a power hammer's chuck system design is the key to getting a compatible bit for that hammer. SDS/ SDS-Plus (in terms of compatibility, "SDS" and "SDS-Plus" are completely interchangeable.)
For hammer drills and rotary hammers, there are three major chuck/bit design systems available:ġ. The most important factor in matching a bit to its hammer drill is knowing the chuck system of the tool, and choosing bits designed to correspond to that system. We're happy to take this opportunity to sort through the jumble, break the information down, and make the task of finding the right bit easy, like it should be. The confusion is very understandable, considering that there are several drill bit systems and terms out there that sometimes overlap in definition and compatibility. The hammer of the drill acts to accelerate only the drill bit itself, and not the large mass of the chuck, which makes hammer drilling with an SDS shank drill bit much more productive than with other types of shank."What type of drill bit fits my hammer drill?" This is one of the most common questions we get from hammer drill and rotary hammer owners here at. The drill bit is not held solidly in the chuck, but can slide back and forth like a piston it does not slip during rotation due to the non-circular shank cross-section, matching the chuck. This shank and chucks made for it are especially suited to hammer drilling with masonry drills in stone and concrete. The SDS + (plus) shank has the advantage of fitting into a simple spring-loaded chuck, so that bits are simply pushed into the chuck without tightening. Whether you're drilling holes for anchors or fixings, cable or pipe bases, these convenient SDS plus masonry drill bits will come in handy. Suitable for drilling concrete, blockwork, natural stone, solid or perforated bricks, hollow blocks etc. SDS comes from the German " Stecken – Drehen – Sichern" ( Insert – Twist – Secure). SDS plus drill bits have a special shank with keyways to support the extra torque a SDS Plus drill provides.
Ground Flat Stock (O1 Gauge Plate) Imperial Sizesįolding / Scoring Router Bits For ACM Dibond Aluminium EtcĪ wide range of high quality Sintered Carbide SDS Plus Masonry Hammer Drill Bits. Ground Flat Stock (O1 Gauge Plate) Metric Sizes
Sds plus masonry drill bit driver#
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