Recommended SDS drill bits available to buy from the USA

Bosch HCK001 7-Piece SDS Plus Rotary Hammer Drill Bit Set Current Price: $36.01 List Price: $70.82 Limited time discount: $34.81 (49%) Excellent bit set If you are just buying a SDS Plus bit type rotary hammer drill this is an excellent bit set to get started with. The case is metal so it will last forever and when a bit wears out you can just get a new bit for the case.	17 SDS Plus HAMMER DRILL BIT CHISEL Set CONCRETE Current Price: $42.95 List Price: $60.00 Limited time discount: $17.05 (28%) Good deal I bought this set because it costs as much as one or two sds-plus bits at a big box. i havent used them all, but the ones i have used did what they were supposed to, and they're still doing it.
DEWALT DW5455 3/4-Inch x 10-Inch x 12-Inch ROCK CARBIDE SDS Plus Current Price: $35.60 List Price: $36.94 Limited time discount: $1.34 (4%)	Bosch HCK005 5-Piece S4 SDS Plus Rotary Hammer Drill Bit Set Current Price: $22.61 List Price: $37.78 Limited time discount: $15.17 (40%)