VEDALI HARDWARE CO., LTD
VEDALI HARDWARE CO., LTD Professional Hardware Supplier Perfect Engineering Solutions
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M3.5 Carbon Steel Round Head Vesa Screws Machine for Plastic Fasteners
We provide different head drives for round head screws with various finishing for corrosion resistance , harden material with full or partial threads for applications in industry .
Drives for Round Head Screws
Phillips ( PH ) , SLOT , PH / SLOT , TORX , POZI , SLOT / POZI
SQUARE , PH / SQUARE , TRIANGLE , DOUBLE V ,Y , TRI-WING
H , HEX , S , SPANNER , CLUTCH , PH IND , SLOT IND and TORX IND
Specifications for Round Head Screws
| d1 | 2.2 | 2.9 | 3.5 | 3.9 | 4.2 | 4.8 | 5.5 | 6.3 | |
| k | max | 1.8 | 2.2 | 2.6 | 2.8 | 3.05 | 3.55 | 3.95 | 4.55 |
| min | 1.55 | 1.95 | 2.35 | 2.55 | 2.75 | 3.25 | 3.65 | 4.25 | |
| d2 | 4.2 | 5.6 | 6.9 | 7.5 | 8.2 | 9.5 | 10.5 | 12.5 | |
Round headd tapping screws
| d | M3 | M3.5 | M4 | M5 | M6 | M8 | M10 | |
| dk | 6 | 7 | 8 | 10 | 12 | 16 | 20 | |
| k | 1.8 | 2.1 | 2.4 | 3 | 3.6 | 4.8 | 6 | |
| t | min | 0.7 | 0.8 | 1 | 1.2 | 1.5 | 1.9 | 2.4 |
| max | 0.95 | 1.1 | 1.3 | 1.5 | 1.9 | 2.4 | 3 | |
| n | 0.8 | 0.8 | 1 | 1.2 | 1.6 | 2 | 2.5 | |
Round head machine screws
Material for Round Head Screws
Stainless steel
SUS 201 ,SUS303 , SUS 304 , SUS 316 , SUS 416 , SUS 430 and SUS 420
Carbon steel
1008 , 1010 , 1018 , 1022 , 1035 , 1045 , SCM 435 and 40CRO
Aluminum
2024 , 6061 and 7075
Brass
CuZn35 , CuZn37 , CuZn40 , CuZn37Pb1 and CuZn39Pb1
Finishing for Round Head Screws
Zinc
The most popular plating for the most products , bright and smooth and resistant corrosion
Nickel
The film thickness is 1～3μm , it improves brightness and wear resistance . it is for the most items .
Polishing
Reduce roughness of parts and improve brightness . is workable for the most metal parts in industry .
Tin
With film thickness 0.13～1.27μm , tin finish with bright surface and good ductility , corrosion resistance , lower melting point ,eco-friendly features .
Brass
Usually , 5gm～8gm finish coating thickness and with good dispersibility , Bright appearance .
Dacromet
This finish is grey color with High corrosion resistance , no hydrogen embrittlement , heat resistance , easy to plated more , eco-friendly etc characteristics .
Chrome
Chrome finish is silver white color and the thickness of film is 0．25～0．5μm normally . chrome finish has many practical features like bright appearance , wear resistance , corrosion resistance , hard plating film , heat resistance .