Good quality High efficiency ~ left hand drill bits & HF drill bit
- Ref Price:
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 100000 pc/month
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Specifications
1. 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 corners
•Testing equipment: micrometer
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 edges
•Testing equipment: Universal bevel protractor indicating measuring instruments.
Materials and hardness
•Materials - M2, M35, M42, 9341, 4341, 4241, etc
•Hardness - HSS HRC63-66; HSSCo HRC64-68
•Test 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:
1.Diameter;
2.Material: (HSS, HSSCo);
3.Additional and/or differing marking by agreement.
- Q: How to buy some ardware
- Teach you how to choose hardware fittingsDecoration is a very complicated matter, large building materials, furniture, sanitary ware, small door, door hinge, towel hanging, pumping rail these hardware accessories which are not less. Although hardware accessories will not affect the overall effect of the decoration, but to use the day after the play a crucial role.
- Q: What brand of hardware is better?
- Brand owners is to bring premium, produce a value-added intangible assets, it is the carrier of the name, to distinguish with other competitors of products or services, terminology, symbol, mark or design and combination, in the minds of consumers in the form of added value comes from the impression on the carrier. More brands bear more people's recognition of their products and services, and it is a product of the interaction between brand and customer buying behavior.
- Q: What do you do at a hardware store?
- The hardware store. Most of them are more tired. Because mainly to do physical work. Just as long as it is done. What to do. Toil all day at work most of the shops will be more than eight hours. But a month habit is not what to say. But the salary is not high. In the past. 1000.
- Q: What does hardware mean? Big brother, give me a detailed explanation
- The so-called hardware is gold, silver, copper, iron, tin, five kinds of metalHardware is an object made of these materials!
- Q: What kind of hardware installation is there in order of home decoration?
- 1, carpentry hardware products installation, most wooden products need to consider the problem of paint. Therefore, the installation time of the hardware needs to consider the connection with the construction of the painter. This need from two aspects to consider: first, the installation of metal pieces arranged time not premature, or paint workers in the construction need to consider too many problems on the protection of hardware; second, the installation of metal pieces, but also pay attention to the construction can not destroy the painter who had completed. Therefore, the normal construction is often such arrangements: the hardware need to be drilled, basically is before the paint construction, or before completion of major processes (such as door locks installed before the lock basically is, at this stage the best hand hole study arrangements at this stage). After the painter has finished the construction, the carpentry will be installed again. 2, electrical lighting and switch socket panels should be installed in the wall brush, paint or wallpaper after the completion of work, and then the installation of lamps and switches, socket panel installation. There was such a case: a construction company, to save personnel costs, in the process arrangement for electrical installation of early switch socket, with open cut wallpaper knife switch socket panel, the panel does not accidentally scratched. 3, sanitary ware and bathroom hardware installation, as the current home improvement industry overall management level is still very low, the quality of workers at construction site is generally poor. Therefore, some of the construction site has occurred on the installation of bathtubs, the first use of the phenomenon of construction workers. In recent years, there have been quite a lot of complaints in this respect. Therefore, it is recommended that consumers, unless forced not...
- Q: What are the hardware parts used in the decoration?
- Door hardware: door lock, hinge, handleCabinet hardware: handle, slide rail, hanging rod, trousers hanging, angle chainOther: hanging rail, drawer lock, bathroom accessories, accessories etc.
- Q: Want to know the function and choice of cabinet hardware parts
- Hardware accessories include handle, sink, bowl basket, seasoning basket, rice box, hook, etc., the overall function is placed in these things, you in the choice, should choose to be durable, high temperature, damp proof, waterproof, easy cleaning products, some of the food you will if you put them in the kitchen. The bad things will lead to food hygiene, long-term use of the human body is not good, the installation should also pay attention to their position, this is very important work in the kitchen was very busy, the installation location is not good, is not convenient to use will affect your mood to cook.This is since I do ambry experience, I hope useful to you (* o *).
- Q: What does "hardware delivery" mean?
- The dictionary of modern Chinese contains:Hardware: refers to gold, silver, copper, iron, tin, generally referred to as metal."Ci Hai" contained:Hardware: refers to gold, silver, copper, iron, tin, this is commonly used for metal or copper, iron and other products collectively.Hardware is the mother of industry; the national defense foundation, hardware product material, usually divided into two categories of hardware and hardware. Hardware includes steel plate, steel, flat iron, steel bar, universal channel iron, I-iron and various types of hardware, building hardware, tin, lock nails wire, steel wire, steel wire cutting, home hardware, tools etc..On the nature and use of hardware, iron and steel materials, non ferrous metal materials, machinery parts, transmission equipment, auxiliary tools, working tools, construction hardware, household hardware and other eight categories are to be considered.Electricity, as the name suggests, is alternating current for electric appliance, such as knife, cable, wire, and AC power distribution equipment, accessories and so on.
- Q: what is the Hardware classification?
- Tap, die| common thread tap | pipe thread tap | die | tap wrench | hinge plate | tap and die set | other taps, dies
- Q: What are the commonly used hardware in the customized wardrobe?
- The door includes a buffer buffer: positioning parts and buffer the crown, the former mounted on track, positioning and the latter with buffer effect
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Good quality High efficiency ~ left hand drill bits & HF drill bit
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 100000 pc/month
OKorder Service Pledge
OKorder Financial Service
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