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DIN 551 / DIN 553 Hex Slotted Pan Head Screw M3 With Flat Point / Cone Point

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DIN 551 / DIN 553 Hex Slotted Pan Head Screw M3 With Flat Point / Cone Point

Brand Name : HNF
Model Number : M3-M8
Certification : ISO9001
Place of Origin : China Made
MOQ : 50000 pcs
Price : Negotiation
Payment Terms : L/C, T/T, Western Union
Supply Ability : 500ton per month
Delivery Time : 15-25days
Packaging Details : Small Box+Carton+Pallet
Screw Head Type : hex socket
Surface Finishing : plain
Size : M3
Availably material : carbon steel ,stainless steel ,alloy steel
Surface : black, zinc plated ,plain
HS Code : 73181400
Process : Cold Forging
Point : dog point, cup point,flat point
Product : Steel DIN551 / DIN553 slotted socket Allen set screws with flat point and cone point
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Steel DIN551 / DIN553 slotted socket Allen set screws with flat point and cone point


A set screw is screw for adjusting or clamping parts of a machine.Also is a type of screw generally used to secure an object within or against another object, normally not using a nut (see bolts compared with screws).A blind set screw is almost always driven with an internal-wrenching drive, such as a hex socket (Allen), star (Torx), square socket (Robertson).A potentiometer knob with a set screw for locking it in place.An example application is when set screws are screwed into a pulley hub so that its end-point bears firmly against the shaft.

For longer life, set screws are usually made of alloy steel and case hardened. Hardened set screws often leave a plastic deformation, in the form of a circular or semicircular mark, in the shaft that the screw sets against.Set screws appear with a variety of tip (point) types. The different shaped tips have different properties that engineers can utilize.The top of the screw may be slotted for use with a screwdriver, or may have a hexagonal shape.It is used for permanent or semi-permanent installations, and provides a high level of security and control. Cone-pointed screws have a very sharp point that may penetrate the inner object to hold it in place permanently.The use of keys and keyways instead of, or in combination with, set screws is common for applications requiring high torque resistance or transmission.This can result in difficulties during dis-assembly if a bearing or other tightly toleranced part needs to slide past this area. Use of a flat mitigates this problem.Standard processing of these socket set screws includes a passivation treatment which neutralizes surface contamination


1.Alloy steel black oxide finish

A very high strength heat treated alloy steel. Black oil oxidation finish.

2.Stainless steel 316

A highly corrosion resistant grade of stainless steel. Ideal in salt water and chlorine environments.

It is more expensive than 18-8.

3.Stainless steel 18-8

The most common stainless steel for general hardware use for.

Related Product:



DIN551,ISO4766,EN24766,ISO4766,ASME/ANSI B 18.6.2Slotted set screws with flat point
DIN553,ISO7434-1983,EN27434Slotted set screws with cone point
DIN417,DIN926,ISO7435-1983Slotted set screws with dog point
DIN438,ISO7436-1983Slotted set screws with cup piont
DIN913,ISO4026,,ASME/ANSI B 18.3Hexagon socket screws with flat poin
DIN914-1980,ISO4027,JIS B 1177Hexagon socket set screws with cone point
DIN915,ISO4028,Hexagon socket set screws with dog point
DIN916,ISO4029Hexagon socket set screws with cup point
DIN478, DIN479, JIS B 1118Square head bolts with collar
DIN561,DIN564,DIN922,DIN94,DIN925,DIN6332,Other type set screw


1) Prompt delivery
2) High quality in competitive price
3) Various types of long- term supply professinal stainless steel screws

Product Tags:

countersunk machine screws


flat head machine screw

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DIN 551 / DIN 553 Hex Slotted Pan Head Screw M3 With Flat Point / Cone Point Images

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