HSS Straight Titanium Coated Metal Hole Step Drill Bit Set for Cutting Metal

• Customization: Available
• Customized: Customized
• Standard: DIN
• Model NO.: DM4-ST
• Type: Step Drill Bit
• Material: High Speed Steel
• Usage: Metal Drilling
• Shank: Hex / Round / Triangle
• Hardness: 60-66HRC
• Surface Treatment: Bright, Amber, Tin-Coated
• Flute: Straight or Spiral
• Point Angle: 118 Pointed Angle, 90 Stepped Angle
• Application: Metal Stainless Steel Drilling
• Diameter: 4mm-39mm
• Transport Package: Plastic Box, Blister Card, Wooden Box, Metal Box
• Specification: 4mm-39mm
• Trademark: DM
• Origin: Danyang City, Jiangsu Province, China
• HS Code: 8207509000
• Production Capacity: 300000 Piece/Pieces Per Week

Product Description

Product Description

HSS STEP DRILLS
 

HSS Step Drill Bits are perfect for drilling multiple-size holes in thin sections of metal, plastic and wood using a single bit. 
Each step drills does the work of many drill-bit sizes. Drills round holes in most metals (steel, brass, aluminum, copper) up to 1/8" (3.2mm) thick as well as in plastic and wood. 
No center punching or pilot hole drilling is required on most sizes. The bits are easy to keep sharp,  and the hole size is easily determined by the diameter markings that are permanently laser-etched in the flute area.

Advantages:
1. No Centering required, the drills do not run off center.
2. A variety of hole diameters can be drilled using only one tool, and the tool can display the dimensions.
3. The dimension of drilled hole is exact.
4. Holes are de-burred by the following level, and cylindrical bores are produced.
5. Even very thin-walled materials can be drilled. 
 

Material	HSS M42,M35,6542(M2),9341,4341,4241
Finish	Tin coated,coffee,bright,rainbow colour,Black oxide,Black flute & bright shank
Process	Roll forged,edge ground,fully ground
Standard:	DIN 338 (jobber series) DIN 340 (long series) DIN 1897 (stub series)
Diameter	4mm-39mm
Advantages	Flatted shank prevents slippage in three jaw chuck Advanced equipment and technology Quality guaranteed
Point angle	118 degree,135 degree split point
Certification	ISO9001

Product Information

Metric Size available:
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

REAL SHOT

 

Product Catalogs

Company Profile

1) We're a direct manufacturer and 100% export worldwide (USA, Israel, Jordan, Iran, Thailand, Duabai, South Africa, Kenya, Egypt, Australia, UK, Spain, Brazil, etc)
2) We have around 15 years of producing experience.

3) Our drill product: HSS drill bits, masonry drill, SDS drill, glass&tile drill, step drill, wood flat drill, wood auger bit, wood brad drill, center drill, left hand drill, drill set etc.4) Above 95% customers will place a formal order after testing the samples.

Certifications

Our Exhibition

Customers Praise

Packaging & Shipping

Plastic pipe packing	Metal displaybox packing
Plastic tube packing	Plastic displaybox packing
1pc / PVC bag,then 1pc / inner paper box	Grey metal displaybox packing
Metal box for drill bits set packing	Wooden box for drill set packing
5/10 pieces packind in PVC bag, then in white paper box, then in carton

SHIPPING

1. TNT/FedEx/DHL/UPS for samples or under 45KG weight goods , Door to Door.
2. By Air or by Sea for batch goods,from airport(seaport) to airport(seaport).
3. Customers specifying freight forwarders or not.
4. Production Time: 3- 7days for samples; 2-3.5 weeks for batch goods.

FAQ

Q: Are you factory or trading company?
A:We are manufacturer with over 15 years' experience in this product, we can arrange video factory inspection. 

Q: What is your biggest advantage?
A: We have very good quality control system to ensure our quality level and stratify different standard. And products are selling globally. Secondly, we're manufacturing company, to provide you quick response and competitive price by our cost controlling ability. Last but not the least, customized ability by our own producing capability.

Q: Is OEM available?
A: Yes, OEM and customization are available. Graved logo marker,Laser logo marker,customized packing. Printed Inner box, Carton box.

Q: How about your price?
A: We can provide you high quality products with reasonable price. Looking forward to receiving your inquiry, you can make comparison for it.

Q:How can I customize my products? 
A: Attach your drawings with details.(Surface treatment, material, quantity and special requirements etc).

Q: Are samples available?
A: Yes, you can ask some samples for testing after confirming our prices, but please pay the sample and freight fee, the sample fee will be returned to you after you making official order.

Q: What's your delivery time? 
A: For bulk order, delivery time according factory production plan.For the customized product, 15-30 days after receiving the advance payment.