DIN7504 Phil Recessed Shallow Flange Head Self-Drilling Tapping Screws

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10000000 piece/ pieces per month pc/month

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Product Description:

Product Description

Product Name

DIN7504 Phil Recessed Shallow Flange Head Self-Drilling Tapping Screws

Material

Carbon Steel, Stainless Steel 201/ 304/ 316  or others.

Size

8#-18*13 ~  14#-14*125

Standard Model

DIN ANSI JIS ASTM

Min Order

1000piece/ pieces


Packaging & Shipping

Packing

Inner Box + Carton Box + Pallet or Under Your Requirement

Supply capacity

10000000 piece/ pieces per month

Delivery time

5~20  days after deposit

Export market

Asia, America, Europe, Africa, markets.


Our Services

1. Reliable Supplier

2. High Quality

3. Standard Producing Technology

4. Competitive Factory Price

5. Fast Delivery


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Q:How to remove mildew on the rubber washer
Method for removing mildew on rubber washer:Add one or two tablespoons white vinegar. Do not add detergentOrange or orange peel or lemon cut into small pieces, put into steam for a whileActivated carbon with gauze wrapped and then putBask in the shade or in the sunWash with soap or baking sodaDry with a desiccant, and then immediately get the sun outside the place to dry
Q:What tools are used to remove the screws, the two lines are grooves, the middle of a paragraph is convex
As for the professional name is not clear, probably should be called forked screwdriver it
Q:Why are the screws of the screw?
Fine thread thread pitch is small, the angle is small, self-locking is better, high strength, because the teeth are not wearable, easy to slip. Fine thread is often used in fine parts, thin-walled pipe fittings or by the impact, vibration and variable load connection, can also be used as fine-tuning mechanism for adjusting the thread.
Q:Gasket 300HV relative to what material?
For the 200HV and 300HV level should choose 45, 50, 60, 70 steel or 65Mn steel, heat treatment can be quenched and tempered to reach the technical requirements of 200 ~ 300HV and 300 ~ 400HV
Q:Screw production process is how the kind of
This is very simple, the screw wire is generally based on the size of the screw into the back, and then according to the order processing, starting - rubbing teeth - plating - packaging on the success
Q:What is the damage to the mouth of the screw?
Screw nail head in the outside with a saw saw a word and then a word screwdriver out ,,, in the inside, with a drill to him to drill
Q:How to remove when the screw is not threaded
It seems that you do not call the thread. It seems nothing better way. You can drill a little deep groove ah
Q:How to determine the number of washers
As the frame five depending on the length, five links on the left side of the 68mm length of one and two on the right side, the length of the 73mm five on the left side of the right is not installed, install a washer, the thickness is the same as long as you can buy time, usually have three washers.
Q:M3 screw and M6 screw length, diameter is how much
M3: pitch: 0.5; diameter: 2.675; diameter: 2.459; outer diameter: 3; length: 6,8,10,12,16,18,20,25,30 (GB5783-86 specified length specifications) M6: Pitch: 1; diameter: 5.350; trail: 4.917; outer diameter: 6; length: 6,8,10,12,16,18,20,25,30,35,40,60. (GB5783-86 specified length specifications)
Q:How to use washer, gasket, o-ring "
Three are used to enhance the sealing performance of the accessories, in general:Washer gasket, a uniform thickness of the ring, used in the bolt to enhance the connection between the fastening; gasket gasket, a variety of shapes, for a variety of occasions, enhance the tightness. In general, both are metallic and washer is included in the category of gasket.Liner and O-ring are commonly referred to as sealing ring, rubber material, shaped like a mini version of the buoy, but the wall thickness is larger and better elasticity, mainly used for instrument installation in Glen head.

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