Simpson 3/16" x 10" 2-Cutter Head SDS-Plus Drill Bit, Carbide Milling Accessories What does "SUR" mean in

What does "SUR" mean in the model name

500 BPM for faster hammer drilling in masonry materials

providing durability and reliability in commercial and industrial applications

while the 7-gauge stirrup ensures robust load transfer and structural support

Simpson 3/16" x 10" 2-Cutter Head SDS-Plus Drill Bit, Carbide Milling Accessories What does "SUR" mean inModel No. MDPL01810 Shank Type. SDS plus Shank Head Type. 2 Cutter Head Diameter (in.) 3 16 Drilling Depth (in.) 8 Length (in.) 10 Simpson's carbide tipped drill bits are premium quality, professional grade tools manufactured in Germany to the highest industry standards for Simpson Strong Tie. They are designed to meet precise tolerance requirements and incorporate proprietary features that enhance durability and drilling speed, while improving ease