QT screws are highly appreciated by our clients

QT screws has over 17 years production experience. Widely used in various industries.

QT machine screws are highly appreciated by our clients. (soldering machine/equipment)

The below contents are pictures from one of our long-term cooperation customers. We are their golden supplier for many years.

Picture 01-(screws on the circuit board)

Picture 02-(client plant)

Picture 03-(client plant)

Useful tips for the correctly use of screws

Screw is seen in daily life much, but how to secure that small screw good?That's right, the screwdriver.A single screw is useless without a screwdriver, nor is a single screwdriver or screw.Use each screw exactly where it is needed.

With the advent of screws, the increasing use and variety of tools used to fix screws have become important.A screwdriver, originally a single type of screwdriver, now comes in the form of a cross, a plum, etc.Recently, we are also producing self-tapping screws of internal plum pattern, which indicates that the bearing torque of screw head is increasing.Factory customers on the use of screws are also increasingly high requirements.

However, only a screwdriver and screws, not the correct use in the correct place, the screw is scrap, how can the screw used in the correct place?Take the siding nails.We all know that drywall nail is drywall nail, as the name suggests, it USES the wall.If we use a case to fix the TV, it won't work.A round head self-tapping screw is required to secure the TV housing.The dado has a wider thread than the round head self-tapping screw, and if the TV's casing is studded with dado, the casing will be scrapped and the dado's thread will be damaged.Round head self tapping screws should be used.A wrong choice hurts both sides.

So screws to really use the real is the key.

Screw spirit：Screw is small, power is immeasurable

Each of us have their own ideal, in fact, the screw also has their own ideal, their ideal is to play the screw spirit.

In lei feng diary that read: "although screws is tiny, is a small pinion, however if it is missing, the whole machine is not functioning, let alone is lack of it, even a tiny screw loose, a small gear is slightly damaged, also can make the machine running down, in spite of this, but the screw again good, gear precision again, if it is no longer to be a member of the whole machine, also will be treated as waste, into the scrap bin garage."Lei feng's diary added: "for the revolutionary cause, a person's role is like a screw in a machine.Machine because there are a lot of screw connection and fixed, just become a solid whole, can operate freely, play its huge work ability, screw is small, its role is immeasurable, I would like to do a screw forever.Screws should be maintained and cleaned regularly so as not to rust.The same is true of the human mind, which needs constant examination before it goes wrong.

No matter it is dado nail (dry wall nail), common from attack screw, mechanism screw or not, they all have the spirit of screw, they are cautious and conscientious in their posts.And we as a member of the winning screw, we should be screw spirit.

Nylon screw can also be called plastic screw

Nowadays, metal screws are widely used in life. There is steel carbon material and stainless steel material. What we need to know today is plastic screws.

The raw material of plastic screw is plastic, domestic commonly used plastic screw is made for nylon 66 place more, so plastic screw also calls nylon screws.

Since the 1970s, plastic products have been used by the industrial industry, and plastic products have become an indispensable part of the petrochemical industry.Although plastic screws are made of plastic and most metal screws are made of carbon steel, they also have the same features, with different grooves and heads.The difference is that metal screws for thread standards are relatively strict plastic screws.But plastic screw also has its own advantages, acid resistance, alkali resistance, fire rating, the biggest advantage is good insulation, not conductive.Because of these advantages, plastic screws are widely used in the medical equipment industry, wind power industry, aerospace industry, petrochemical industry and so on.Have an advantage, drawback also is coexistent of course, the torsion force of plastic screw and intensity are not big, in using a process, torsion force is too big the phenomenon that causes slippery tooth or head fracture.So we use the construction decoration of the wall board nail (dry wall nail) can not use plastic material production, and other general self-tapping screw can use plastic material production.

In the field of plastic screws, we are at the stage of preliminary research .

Fastener product:Classification of drywall nails

The sales ratio of the drywall screws in our bid is higher than that of other self-tapping screws.Because the dry wall screw series is one of the most important fastener products.The product is mainly used to install a variety of gypsum board, light partition and ceiling ceiling series.Stem wall screw also calls dado nail, its head is the biggest characteristic is horn model, basically cent is double line fine tooth and single line thick tooth two kinds big.Both the biggest difference depends on former whorl is double whorl, apply to the join of the metallic keel that ply does not exceed 0.8mm and plasterboard, the whorl of odd line thick tooth is wider, corresponding attack rate is faster also, use at entering lumber and lumber itself won't be destroyed, suit the installation of wooden keel more than double line fine tooth so.Now according to the actual use of the demand and derived high and low teeth and other types of dry wall nail can be formulated.

Double thread fine tooth is phosphating drywall screw is the most basic product series, and blue and white zinc dry wall screw is a supplement, the scope of application of the two and the purchase price is basically the same.Slightly different is that the black phosphating has a certain lubrication, attack speed (enter the specified thickness of steel plate speed, is a quality assessment index) slightly better;And of blue white zinc go up in rustproof effect slightly be a notch above, and the instinctive quality of the product is shallow, it is not easy to be in after coating adornment flood color.There is little difference between blue white zinc and yellow zinc in rust resistance, which is only due to different usage habits or user preferences.

Single line thick tooth is in abroad, general construction pays attention to choosing appropriate fastener product very much, single line thick tooth does wall screw is to regard double line fine tooth as the substitute variety that does wall screw to be more suitable to use the connection on wooden keel.In the domestic market, for a long time is all the use of double-line fine tooth dry wall screw, the use of habits to change the need for a certain amount of time.

From :Shenzhen Qiangtuo Fastener Co., Ltd (https://www.szqtfastener.com/)

Qiangtuo Fastener tell you screw phosphating treatment

We all know that drywall nails need phosphating, unlike other self-tapping screws.In order to standardize the operation of screw phosphating process and avoid the unqualified quality caused by operational errors, we have formulated the following operation procedures for the winning screw, and we hope the operator can comply with them.

1. Put the screws into the bucket of hydrochloric acid, and acid wash the surface of the screws to activate them;

2. Put the screws into the cleaning bucket and barros will clean them;

3. Put the cleaned screws into the blackening groove for blackening (the surface will turn black and it is advisable not to fade the color).The blackening tank is configured as follows: 5% black liquor plus 3% hydrochloric acid plus 5% 90% normal temperature water;

4. Put the screws into the cleaning bucket and clean them;

5. Put the cleaned screws into the table adjustment groove for table adjustment.Table adjustment configuration: table adjustment 2% with room temperature water (PH>8);

6. Put the adjusted screws into the phosphating tank for phosphating treatment.Phosphating configuration: phosphating liquid 9% add water 90%, heating 90 degrees soak for 5-10min, the screw surface phosphating uniform can be;

7. Put the screws into the cleaning bucket and clean the screws;

8. Put the cleaned screws into the drying barrel to dry the screws;

The last step is to shake the good screw into the anti-rust oil barrel, soak, soak evenly can be put forward.

We offer various sizes screws, such as Hex Socket Set Screw,security hex screws,half-countersunk head machine screws,stainless steel machine screws,etc.For more information,contact us!

Screw heading machine can manufacture different screw

Whether it is mechanism screw, dado nail (dry wall nail) and other self-tapping screw, all must be through the head of the stage, and the head of the head with the head of the machine is how to work?Today won the small series of screws for you to go deep into the screw production workshop, in-depth understanding of the screw head machine.

1.The heading machine belongs to cold heading equipment and its function is mainly one die and two punch products. It is mainly used for forming the head of screws. Its function is to straighten the wire, feed the wire, cut and feed the main die.Its work in one go, the production capacity can be up to 200 per minute or so, belongs to the present technology more advanced products.

2.Upsettable for all kinds of metal materials: general steel, carbon steel, stainless steel, copper, aluminum, alloy steel, etc.(materials such as stainless steel, alloy steel, etc., may be heated to a suitable temperature by a heater before upsetting.)

3.The heading machine can manufacture common self-tapping screws, electrical screws, micro screws, internal and external hexagon bolts,drilling tail screws,wall board nails (dry wall nails) and other common products.

Structure and performance of heading machine

The machine frame is welded by iron plate

The parts are made of castings

Three, internal parts by bearing steel, 40 train steel forging pieces, CT12 materials.The motor is from 1.5kw-2.2kw, and the oil pump is used to supply the lubricating oil to the body. It works in circulation, making the internal parts of the main body not easy to be damaged

4, ranging from 0.10 Ф Ф heading 32

5, head size according to the pipe diameter to replace the mold.

How to choose a reliable screws supplier?

Nowadays ,there are more and more screws supplier/factory/manufacturer getting into the market. So, choosing reliable and qualified partners seems like very crucial to the purchasers.

A qualified  screws partner always  has the following features:

1.Long-term establishment history

Long development history means technological precipitation.

2.Professional teams

3.Good reputation