Straight Flute HSS Step Drill Bit , 2 Inch Step Drill Bit For Multiple Hole

Product Details:

Place of Origin:	JIANG SU CHINA
Brand Name:	STARRY
Certification:	ISO9000
Model Number:	3/16-1/2", 3/16-7/8", 1/4-3/4"

Payment & Shipping Terms:

Minimum Order Quantity:	100 Set/Sets
Price:	Negotiable
Packaging Details:	3Pcs packed in one aluminum case, 20sets/carton.
Delivery Time:	25days
Supply Ability:	50000 Set/Sets per Month Step Drill Set

Contact Now

Detailed Product Description

Name:	Hss Step Drill Bit	Material:	Hss-4241;4341;m2;m35
Use:	Metal Drilling	Flute:	Straight Flute
Flute Number:	Three Flutes	Shank:	Three Flat Shank
Process:	Fully Ground	Point Angle:	135 Degree Split Point
Surface Finish:	Black And Amber	Application:	Metal Sheet Tube Drilling
High Light:	step up drill bit , titanium step drill bit

Straight Flute HSS Step Drill Bit , 2 Inch Step Drill Bit For Multiple Hole

Step drill bits are perfect for drilling and enlarging multiple-holes in thin sections of sheet metals, pipes, plexiglass, plastics, wood up to a thickness of 5mm.

Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
Single-flute cutting edge for greater control through steps
3 flatted shank prevents slipping in drill chuck
New SpeedPoint tip penetrates faster than previous Unibits and prevents walking

Straight Flute HSS Step Drill Bit , 2 Inch Step Drill Bit For Multiple Hole 0

Procuct Name	3Pcs 3 Flats Shank Straight Flute Golden & Black Color HSS Step Drill Bit Set for Metal Sheet Multiple Hole Drilling
Sizes	3/16-1/2", 3/16-7/8", 1/4-3/4" (Metric Size is Available)
Material	HSS (Cobalt M35 is Available)
Flute Type	Straight Flute (Spiral Flute is Available)
Flute Number	Two Flutes (Single Flute, Three Flutes are Available)
Shank	Three Flats Shank (Quick Change Hex Shank, Round Shank, Double R Shank are Available)
Surface Finish	Black & Amber (TiN, Bright, Co-coated, Black Oxide, Black & Bright, TiAIN are Available)
Package	3Pcs in Aluminum Case (Nylon Bag is Available)
Features	1. Step drill bits are perfect for drilling and enlarging multiple-holes in thin sections of sheet metals, pipes, plexiglass, plastics, wood up to a thickness of 5mm. 2. 135° Split Point Tip: increases cutting speed with self-centering and the drills do not run off center. 3. A variety of hole diameters can be drilled using only one tool. 4. The dimension of drilled hole is exact. 5. Two Flute Design: provides longer life and better chip removal. 6. Only for rotary use.

Straight Flute HSS Step Drill Bit , 2 Inch Step Drill Bit For Multiple Hole 1

Size:

SIZE	L	Steps	D3
D1-D2	MM		MM
4.0-12.00	65,0	5	6,0
4.0-12.00	65,0	9	6,0
4.0-20.00	75,0	9	8,0
4.0-30.00	100,0	14	10,0
6.0-38.00	100,0	12	10,0
6.0-26.75	75,0	8	10,0
4.0-39.00	107,0	13	10,0
6.0-32.00	75,0	8	10,0
5.0-28.00	69,0	7	10,0
6.0-30.50	80,0	9	10,0
6.0-37.00	100,0	12	10,0
6.0-32.00	76,0	9	10,0
6.0-40.00	105,0	16	13,0
6.5-32.5	91,0	12	10,0

SIZE	Drilling range
D1-D2	mm
4.0-12.00	4.0/ 6.0/ 8.0/ 10.0/ 12.0
4.0-12.00	4.0/ 5.0/ 6.0/ 7.0/ 8.0/ 9.0/ 10.0/ 11.0/ 12.0
4.0-20.00	4.0/ 6.0/ 8.0/ 10.0/ 12.0/ 14.0/ 16.0/ 18.0/ 20.0
4.0-30.00	4.0/ 6.0/ 8.0/ 10.0/ 12.0/ 14.0/ 16.0/ 18.0/ 20.0/ 22.0/ 24.0/ 26.0/ 28.0/ 30.0
6.0-38.00	6.0/ 9.0/ 13.0/ 16.0/ 19.0/ 21.0/ 23.0/ 26.0/ 29.0/ 32.0/ 35.0/ 38.0
6.0-26.75	6.0/ 9.0/ 11.4(PG7)/ 14.0(PG9)/ 17.25(PG11)/ 19.0(PG13.5)/ 21.25(PG16)/ 26.75(PG21)
4.0-39.00	4.0/ 6.0/ 12.0/ 15.0/ 18.0/ 21.0/ 24.0/ 27.0/ 30.0/ 33.0/ 36.0/ 39.0
6.0-32.00	6.0/ 9.0/ 11.2(R1/ 8)/ 14.5(R1/ 4)/ 18.2(R3/ 8)/ 22.3(R1/ 2)/ 27.9(R3/4)/ 32.0
5.0-28.00	5.0/ 8.8(G1/8)/ 11.8(G1/4)/ 15.3(G3/8)/ 19.0(G1/2)/ 24.5(G3/4)/ 28.0
6.0-30.50	6.0/ 9.0/ 12.5(PG7)/ 15.2(PG9)/ 18.6(PG11)/ 20.4(PG13.5)/ 22.5(PG16)/ 28.3(PG21)/ 30.5
6.0-37.00	6.0/ 9.0/ 12.5(PG7)/ 15.2(PG9)/ 18.6(PG11)/ 20.4(PG13.5)/ 22.5(PG16)/ 26.0/ 28.3(PG21)/ 30.5/ 34.0/ 37.0(PG29)
6.0-32.00	6.0/ 9.0/ 12.0/ 16.0/ 20.0/ 22.5/ 25.0/ 28.5/ 32.0
6.0-40.00	6.0/ 11.0/ 17.0/ 23.0/ 29.0/ 30.0/ 31.0/ 32.0/ 33.0/ 34.0/ 35.0/ 36.0/ 37.0/ 38.0/ 39.0/ 40.0
6.5-32.5	6.5/ 8.5/ 10.5/ 12.7/ 15.2(PG9)/ 16.2/ 18.6(PG11)/ 20.4(PG13.5)/ 22.5(PG16)/ 25.5/ 28.3(PG21)/ 32.5