HSS Drill Bits :
Heavy-duty large diameter drill bits for use on portable drills, drill presses and magnetic base drills with 1/2" chuck capacity. Extra hard tip allows to drill many more holes between re-sharpenings. Now made with cobalt blend for longer life.

• Features :
• 3 flats on shank prevent slippage inside chuck
• Drills more holes, faster
• Exclusive point geometry eleminates pre-drilling
• Special bronze SST surface treatment
• Tips :
• Use Walter lubricants to drill even more holes
• Use at low speed and high feed

Technical Specifications :

SKU	Drill Size	Flute Length	Overall Length
01-M 553	53/64 in.	3-1/8 in.	6 in.
01-M 554	27/32 in.	3-1/8 in.	6 in.
01-M 555	55/64 in.	3-1/8 in.	6 in.
01-M 556	7/8 in.	3-1/8 in.	6 in.
01-M 557	57/64 in.	3-1/8 in.	6 in.
01-M 558	29/32 in.	3-1/8 in.	6 in.
01-M 559	59/64 in.	3-1/8 in.	6 in.
01-M 560	15/16 in.	3-1/8 in.	6 in.
01-M 561	61/64 in.	3-1/8 in.	6 in.
01-M 562	31/32 in.	3-1/8 in.	6 in.