High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting Cone Bit

• Customized: Non-Customized
• Standard: DIN, JIS, AISI, API
• Type: Twist Drill Bit
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: 1/4 to 2-3/8
• Material: High Speed Steel
• Usage: Wood Drilling, Metal Drilling
• Surface: Black Oxide,Ti-Coated,Amber Finished,Bright Finish
• Point: 118/135 Degree or Split Point
• Prcocession: Milled,Fully Ground
• Flute: Spiral Flute
• Transport Package: PVC Bag
• Specification: 1/4 to 2-3/8
• Trademark: OEM
• Origin: Danyang, Jiangsu
• HS Code: 8207509000
• Production Capacity: 1000000PCS/Month
• Package Size: 12.00cm * 6.00cm * 6.00cm
• Package Gross Weight: 0.750kg

Product Description

High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting Cone Bit

Quick Details of Step Drill Bits:

1. Material:HSS 4241,4341,6542,M35;

2. Process:Milled

3. Surface:Titanium Coated

4. Point:118°/135°split point

5. Shank:Hex Shank,straight shank

Specification of High Speed Steel:

Step Drill Bits Specifications:

1. HSS Step Drills for drilling cylindrical holes in solid material up to a thickness of 4 ~ 5mm.

2. Burr-free and vibration-free drilling.

3. The tapered cutting edges of the next drill step can be used for simultaneous deburring or chamfering of the finished bore at the same time.

4. Drilling perfectly round holes in steel, brass, copper, aluminum, wood and plastic.

5. Ideal tool for sheet metal workers, electrical contractor, auto mechanics, and general contractors.

6. Surface treatment available: White Finish, Black Oxide, Titanium Coated, Cobalt Coated, TiALN Coated

Dual Flute Prevent the Splashing The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation, can be used on electrical drill, cordless drill, or high impact drill press machine

Smooth & Clean Drilling Dual grooves quickly remove swarf and chips as you drill, keeping your work safe and each hole well deburred.

Non-Walking Design The split point tip is at 118 degrees to increase the wear resistance.

Distinct Shank Design Our 1/2-inch shank is engineered for max stability and strength to prevent any offset or slippage.

Size of Step Drill Bit:

Item No.	Size Range	Step No.	Shank Size
SDA001	4 - 12mm x 2mm	5	6mm
SDA002	4 - 12 mm x 1mm	9	6mm
SDA003	4 - 20mm x 2mm	9	8mm
SDA004	4 - 22mm x 2mm	10	8/10mm
SDA005	4 - 30mm x 2mm	14	10mm
SDA006	4 - 32mm x 2mm	15	10mm
SDA007	4 - 39mm x 2-3mm	14	10mm
SDA008	5 - 28mm	7	10mm
SDA009	5 - 28.3mm	10	10mm
SDA010	5 - 35mm x 2-3mm	13	13mm
SDA011	6 - 18mm x 2mm	7	10mm
SDA012	6 - 20mm x 2mm	8	10mm
SDA013	6 - 24mm x 2mm	10	10mm
SDA014	6 - 25mm	7	10mm
SDA015	6 - 26.75mm	8	10mm
SDA016	6 - 30mm x 2mm	13	10mm
SDA017	6 - 30.5mm	10	10mm
SDA018	6 - 32mm	8	10mm
SDA019	6 - 32mm	9	10mm
SDA020	6 - 37mm	12	10mm
SDA021	6 - 38mm	12	10mm
SDA022	6 - 40mm	16	13mm
SDA023	9 - 36mm x 3mm	10	12mm
SDA024	10 - 20mm x 1mm	11	10mm
SDA025	12 - 20mm x 1mm	9	10mm
SDA026	12.5 - 30.5mm	7	12mm
SDA027	13 - 38mm	10	12mm
SDA028	14 - 24mm x 2mm	6	13mm
SDA029	14 - 25mm	7	13mm
SDA030	20 - 30mm x 1mm	11	13mm
SDA031	20 - 34mm x 2mm	8	13mm
SDA032	30 - 40mm x 1mm	11	13mm
SDA033	40 - 50mm x 1mm	11	13mm
SDA034	50 - 60mm x 1mm	11	13mm
SDA035	5 - 30.5mm	13	12mm
SDA036	5 - 38mm	14	12mm

INCH SIZE IS AVAILABLE.

Application

How to use:

Package And Delivery:

1. Normal Package:5/10 pcs in a plastic bag,then inner box and out carton.

2. Other package:Blister card,Plastic tube,PVC pouch,according to your requirments.

3. HSS Drill bits set are available.

4. Samples or small order will be delivered by courier,DHL,FEDEX,TNT,etc

5. Normal order will be delivered by sea.

6. About 20-30days after your deposite,according to your order quantity.