HKATOPS HSS 4241 Nitriding Step Drill Bit Set with a Case,Straight-Fluted,5pcs
HKATOPS HSS 4241 Nitriding Step Drill Bit Set with a Case,Straight-Fluted,5pcs
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HKATOPS HSS 4241 Nitriding Step Drill Bit Set with a Case,Straight-Fluted,5pcs

$ 28.99

DESCRIPTION

Features:

(Note: Please make sure that the thickness of workpieces is no more than the height of step before buying the step drill bit.
Please install the step drill bit onto the pistol drill and bench drill, whose spiral speed of 250-400R/M is recommended.)

Surface:
The nitriding surface can improve its hardness and abrasive resistance.

Material:
HSS 4241:The step drill bit is made from HSS 4241.
It is used for drilling and processing the work-pieces, whose hardness is less than 25 degrees, such as carbon-steel plate, sheet-iron, insulation board, PVC panel and plank.
Please note that this product is not for processing the stainless-steel.

Specification:
Thickness of workpieces/Height of step:5mm
Size of steps:
001 3/16-1/2"(3/16, 1/4, 5/16, 3/8, 7/16, 1/2),6 steps
002 1/8-1/2"(1/8, 5/32, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2),12 steps
003 1/4-3/4"(1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4),9 steps
004 3/16-7/8"(3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8),12 steps
005 1/4-1-3/8"(1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8),10 steps
Style of flute: straight flute
Material:HSS 4241
Surface:nitriding

Package Included:
5pcs Nitriding Straight-fluted HSS 4241 Step Drill Bit with a case
  • It can remove the spikes and countersink at the same time while drilling.
  • The step drill bit is usually used for drilling holes onto the thinner panels.
  • Compared with the common bits, the step drill bit sways little and can drill the perfect holes without the center punch.
  • In the unique step-shaped design, one bit can drill holes of various sizes so that one step drill bit is equal to many common bits.
It can remove the spikes and countersink at the same time while drilling.HKATOPS

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