H2642 SDS Hammer Drill Bits - 1/4", 4" Long   See larger image and other views  Your Price:** $1.90 Customers who purchased this item also purchased: H2643 SDS Hammer Drill Bits - 1/4", 6" Long $1.95 H3395 24" Aluminum Ruler w/ Handle $9.95 G2405 Safety Push Block - Small $3.95 Description S.D.S stands for "Slotted Drive System". Buy exactly the size and length SDS bit you need or buy them in complete sets (See H2634, H2635, H2636). See page 343 of our 2008 Grizzly Catalog! See similar items in: > Home > Drilling & Boring > Drill Bits Final prices will include state sales tax for items shipped to WA, MO, or PA. Shipping charges for items not shipped via truck freight will be added according to our shipping rates.