Wood Spiral Drill Bits Long HSS G AØ 13 mm Usable Length 126 Shank C6.3 Total 151

Zoro Tools

13mm HSS-Ground Brad Point Drill Bit 1/4" HEX Shank Long, 1597130 Made in Germany from premium grade high speed steel, the brad point drills are precision machined to give a true diameter. A pin point tip assists with the accurate location of the drill and razor sharp lips score the wood prior to cutting for a clean tear free hole., 1597, 159713000

Amazon

One piece wood twist drill bit (C 6.3) with centre point, 2 main cutting edges, 2 protruding cutting edges and hex shank for bit holder (1/4 inch, C 6.3)

ManoMano

Famag - 13MM HSS-Ground Brad Point Drill Bit 1/4' Hex Shank Long, 1597130