Stepped twist drill bit, plain HSS

Name: Stepped twist drill bit, plain HSS
Brand: Würth
SKU: 0694422630

Stepped twist drill bit, plain
DRL-STEP-SPRL-HSS-(D6-30MM)

Art.-no. 0694422630

EAN 4050642840621

All versions

Specification

Extremely versatile and fast spiral step drill bit with an exceptionally long service life.

Precise spot drilling

Thanks to self-centring drill tip

Up to 30% faster

In comparison with competitor products thanks to optimally tailored cutting edge geometry

Up to double the service life

In comparison with competitor products thanks to reduction of wear on the drill tip and the main cutting edges, as well as on the radial and axial relief grinding.

No slipping in the drill chuck

Thanks to 3-face shank and 1/4 inch bit holder

Precise working

Thanks to laser-inscribed diameters in both spiral grooves

Very little reworking required

Thanks to precise, circular drilling holes

Notice

Ensure that there is sufficient cooling/lubrication. Make sure that the feed is even. Observe the speed table.

0694422637- Core and through-holes for PG thread in accordance with DIN 40430, centre drill bit 6 mm

0694422640 - Specially for metric ISO through-holes and threaded core holes in accordance with DIN 60423, centre drill bit 6 mm

Application

Application area

Centring, tapping, drilling and deburring of metal sheets, pipes and profiles in a single work process.

Materials to be processed:

Normal steels, non-ferrous metals such as aluminium, other non-ferrous base metals and plastics

Technical information

Min./max. drill diameter	6-30 mm
Shank diameter	10 mm
Shaft length	23 mm
Length	92 mm
Shank style	3-face shank
Surface	Plain
Type description	HSS (plain)

Thread	Core hole diameter mm	Through hole diameter mm
PG 7	11,40	12,5
PG 9	14,00	15,2
PG 11	17,25	18,6
PG 13.5	19,00	20,4
PG 16	21,25	22,5
PG 21	26,75	28,3
PG 29	34,00	37,0
* Stepped twist drill bit HSS (plain), core and through holes for PG threads according to DIN 40430. Spotting drill 6 mm.

Thread	Step height 6 mm/thread core hole diameter mm	Step height 4 mm/through hole diameter mm
M 10 x 1.5	8,5	10,5
M 12 x 1.5	10,5	12,5
M 16 x 1.5	14,5	16,5
M 20 x 1.5	18,5	20,5
M 25 x 1.5	23,5	25,5
M 32 x 1.5	30,5	32,5
M 40 x 1.5	38,5	40,5
** Stepped twist drill bit HSS (plain), especially for metric ISO through holes and through holes according to DIN 60423. Spotting drill 6 mm.