HSS STEP DRILLS

Straight Flute Step Drills, Spiral Flute Step Drill Bit, 3pcs Setp drills, packing with metal box, wooden box, double blister - details see: https://www.machineto.com/hss-step-drills-10148978

Place of Origin:Shanghai China (Mainland)	Brand Name:OSTAR	Model Number:3060	Material::HSS, Cobalt HSS, HSS-E
Type::Straight Flute, Spiral Flute	Manufacturing::Fully Ground	Coated::bright, Titanium, Nitrided, Cobalt Coated

HSS Step Drills,

HSS Step Drill Bits,

Straight flute, Spiral flute:

(1) Stright Flute / Spiral Flute
4-12mm x 9 steps
4-20mm x 9 steps
4-30mm x 14 steps
4-32mm x 15 steps
6-20mm x 8 steps
6-30mm x 13 steps
6-30.5mm x 10 steps
6-32mm x 9 steps

3/16"-1/2" x 6 steps
1/8"-1/2" x 13 steps
1/4"-3/4" x 9 steps
3/16"-7/8" x 12 steps
7/16"-1-1/8" x 12 steps
1/4" - 1-1/2" x 11 steps
1/2" - 1" x 9 steps
9/16" - 1" x 8 steps
3/4" - 1-3/8" x 11 steps
13/16" - 1-3/8" x 10 steps

(2) Shank:
Round shank;
Hex shank;
Three flat shank;
Hex quick change shank;

(3) Surface:
white bright;
Titanium coated;
Black nitrided;
Cobalt coated;

(4) 3pcs Step Drills Set
3/16 - 1/2 x 6 step
1/8 - 1/2 x 13 step
1/4 - 3/4 x 9 step

4 - 12mm x 9 step
4 - 20mm x 9 step
4 - 30mm x 14 step

4 - 12mm x 9 step
6 - 20mm x 8 step
6 - 30mm x 13 step
Packing: (a) wooden box. (b) aluminum case. (c) blister with card.

Packaging Detail:plastic tube, color card with blister, color box, double blister

Delivery Detail:30days