Flat Head Hex Socket Cap Screw M4 Stainless Steel Metal Screws
Stainless steel hex socket machine cap screw with machine fine threads and flat or countersunk head for installations in industrial equipments ; Flat point with full threads , no any burrs , bright surface with high tensile strength .
Stainless steel hex socket machine cap screw normally with flat point and to secure objects with nuts , but for the most flat or countersunk head screws are securing without nuts attached .
Typical Characteristics
Flat or countersunk head design
Hex socket on head
Flat point
Full fine threads
Stainless steel material
Specific Specification
| d | 5 |
| b | |
| dk | 10 |
| 9.85 |
| s | 3 |
| L | 15 |
Note : " b " is for partial threads
Mechanical Performance
| Material | Property class / Value |
| Stainless steel | A2-70 |
| Tensile strength σb (MPa) | 650 |
| Yield Strength σs (MPa) | 320 |
| Elongation δ5 (%) | 35 |
| Reduction of area ψ (%) | 45 |
| Case hardness HV | 720 |
| Core hardness HV | 250 |
Finish
Stainless steel screws are polished with bright appearance and fine roughness , roughness on surface is R6.3 normally .
Applications
Stainless steel screws with hgih tensile and hard material which can support heavy load and are widely used to various fields in industry like
◆ Aerospace
◆ Cars
◆ Vessel
◆ Railway
◆ Household applicanes
◆ Machines
◆ Buliding
◆ Decoration
◆ Medical apparatus
◆ Tableware
◆ Furnace
◆ Petro industry
Features
◆ No magnet
◆ High tensile strength
◆ Harden material
◆ Perfect security
◆ Eco-friendly
◆ No smell
◆ Recylable
◆ Long serive
Tips for installations
Stainless steel hex socket machine cap screw are polished and surface is bright , please don’t strike screws into material during installation for keep nice appearance , especially for decorative applications .
Please take right and suitable screwdriver bits to drive stainless steel screws for more quick installation .
Stainless steel hex socket machine cap screw with machine threads that can not drill material , should drill suitalbe hole befor drive screws . the hole dpeth as the threaded length of screws
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Flat Head Hex Socket Cap Screw M4 Stainless Steel Metal Screws Images
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