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SDS or SDS+ Rotary Hammer Masonry Drill Bits.
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SDS Hammer Bits
Longer SDS Hammer Bits
Larger SDS Hammer Bits
SDS Pyramid Point Hammer Bits
SDS Booster Carbide Tipped Masonary Bits
Sds Plus r4x Hammer Drill Bits
Ultra Heavy Duty version of our SDS Plus bits. Drills difficult materials
SDS Relton Groo-V Tip
SDS Relton Quik-Stop Anchor Bit Drill
SDS Bits Bulk Pack
SDS Bits for TapCon
Chisels and Assessories for SDS Hammers
SDS Rotary Only Rebar Cutters
Complete Rockhard Catalog (2.4 MEG PDF)
SDS or SDS+ Hammer Drill Bits
Code Name Image Price What is SDS, SDS Plus and SDS Max?
There is a lot of confusion about SDS, SDS Plus and SDS-MAX bits and what kind of drills they fit. SDS or Slotted Drive System (or SDS Plus of SDS+) was developed by Bosch in 1975 for use in it's smaller rotary hammers. SDS (or Slotted Drive System) bits for hammer drills/rotary hammers allow the bit to slide in the chuck and enhance the hammering action of the tool. SDS-Max was developed later for larger hammers.
SDS and SDS Plus are different names for the same shank. Shank size is approximately 3/8" (10mm) in diameter, with 2 open drive slots and 2 closed retentions shots. Maximum hole size for these drills is around 1" depending on who makes the bit. Dewalt calls these drill SDS, Bosch calls them SDS Plus. Any bit in our catalog that is called SDS Plus or simply an SDS will fit any rotary hammer that specifies SDS or SDS Pus or SDS+.
SDS-MAX is a different size all together. Shank size is close to 3/4" (.7" or 14mm) in diameter. Instead of 2 drive slots there are 3 open drive slots and 2 closed retentions slots. This is designed for large hammers, with a maximum bit diamter of over 2"