Basic Info.
Transport Package
Plastic Plain with Plastic Bag with Carton Box
Origin
Zhejiang, China (Mainland)
Product Description
Specifications
1. Leesho offers a complete line of Metal Twist Drill Bits, such as straight shank, taper shank, etc;
2. Process: fully ground;
Dimensions
1. Drill diameter - The values indicated in the relevant dimensional standards apply in respect of the diameter of twist drills.
Test point: On the lands at the cornersTesting equipment: micrometer
Test point of the drill diameter
2. Tapering of diameter - The diameter of twist drills usually reduces from the drill tip towards the shank in the area of the flutes.
Test values: The taper on diameter amounts to 0.02 to 0.08mm over a length of 100mm.Test point: At the outside diameter on the land.Testing equipment: micrometer and indicating measuring instruments.
3. Parallel shank - Tolerance for shank diameter f11, Tolerance for roundness and parallelism 0.02mm for the shank length.
4. Length - The tolerance of length for the total length corresponds for the degree of accuracy "very coarse" according to DIN standards. The flute lengths given in the relevant dimensional stands are minimum dimensions.
5. Point angle
Test value: σ=118°; σ=135°Test point: At the cutting edgesTesting equipment: Universal bevel protractor indicating measuring instruments.
Point angle
Materials and hardness
Materials - M2, M35, M42, 9341, 4341, 4241, etcHardness - HSS HRC63-66; HSSCo HRC64-68Test point: On outside diameter on the land or adjacent relieved land.Test equipment: Hardness Tester.
Marking
Twist drills with diameter 3mm and upwards shall be marked with:
Diameter;Material: (HSS, HSSCo);Name or mark of manufacturer.Additional and/or differing marking by agreement.
Web Thinning
Without thinning
Suitable for drill of general purpose.Thanks to thin web thickness, web thinning is not need.This without web thinning type is applied to design of drills for mild steel, alloy steels, cast iron, stainless steel, titanium, inconel, etc. and conventional cutting conditions.
Type C thinning (DIN1412 FORM C, SPLIT POINT)
Because split point enables good centering when drilling and breaks the chips, chip removals is easy.Suitable for drill design in high hardened tough materials, i.e, heat treated steel, titanium alloy, stainless steel, incoroy inconel, nimonic, etc.
We can supply many kinds of drill bits, such as hss twist drill, masonry drill, wood working drill bit, etcNot all products are currently listed on our website. If you don't see the specific product you are looking for, please contact us for assistance.We supply goods with OEM services, customers' marking on packing is workable
Effeciency:
Any email or inquiry will be replied within 24 hours, a quotation is ready in 2mins.
Profession:
More than 10 years Technical & Sales Support team offer you the best service.
Delivery:
Exact Delivery Time can be guaranteed after having confirmation with you.
Guarantee:
Strict quality control through professional QC team.
FAQ:
Q:What's the MOQ?
A:Normally MOQ would be 500pcs per item.Orders less than MOQ are still accepted if have stock.
Q:How long will it takes for delivery?
A:It will takes about 25 working days against deposit.Stock can be delivered within 7 days.
Q:What's the payment term?
A:Payment will be through T/T, L/C, WEST UNION, ESCROW, ETC.Especially ESCROW, which is guaranteed by Made-in China.com. It is safe and effective.
Q:If we don't find what we want on your website,what should we do?
A:Email us the details of the products you want,We can also offer custom-made service for you.
Q:Is it possible to purchase one sample for quality testing?
A:Yes.we are glad to offer you a sample for your quality testing.
Call us Today for more detail cooperation!
Address:
189 Zhijiang Road, Westlake District, Hangzhou, Zhejiang, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Auto, Motorcycle Parts & Accessories, Furniture, Industrial Equipment & Components, Lights & Lighting, Manufacturing & Processing Machinery, Office Supplies, Security & Protection, Tools & Hardware, Toys
Management System Certification:
ISO 9001, ISO 9000, ISO 14001, HSE, QC 080000
Company Introduction:
Hangzhou Hexun Industry Company is established in 2003 and developed rapidly with annual sales 80 millions in 2008 although global economic crisis.
Our main products are hand tools and power tools, such as wrench, drill, hammer, measuring tools, impact drill, electric drill, angle grinder, car polisher, electric blower etc.
Our company is based on a strictly systematic management mode. We obtained the certificates of CE, RoHS, FCC, SFI(USA). TUV(Germany), JWL IA(JAP).
Our products have been exported to more than 20 countries, such as USA, Canada, Europe, South-East Asia and received high reputation there. We are ready to satisfy our customers with latest style, competitive price and prompt delivery.
Here we would like to cooperate with all of our clients and friends, old and new, to win a bright tomorrow for both of us!