Ordering Information

Please specify:

Drill diameter.
Flute length (depth of hole + 1,5 diameters).
Driver code (see below, if driver is not listed please give details).

Flute Runout

Driver Styles	REF	d	h	h1	h2
HAMMOND STANDARD	FA	16	40
	FB	25	50
	FC	35	60

WELDON	GC	16	48	24
	GD	20	50	25
	GE	25	56	32	17
	GF	32	60	36	19
	JF	40	70	40	19

Driver Styles	REF	d	h	h1	h3
SANDVIK TYPE	JD	16	48	34	40
	FF	20	48	34	40
	FG	25	53	38	45
	FH	32	55	38	45
GUNDRILL TYPE	FT	10	40	24
	GU	16	45	31
	FV	20	70	34
	FW	25	70	34
	FX	32	70	34

These are the most commonly used driver styles. Hammond & Company hold many more in stock and will always produce to customer’s design.