Stainless Steel A2/A4 Metric Precision Cylindrical Hex Socket Head Cap Screws
Similar with countersunk head screw, the socket cap screws are in greater the strength of the connection, but must use the appropriate size Allen wrench screw to assemb or disassemb. Generally used for a variety of machine tools and accessories.
Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating and etc
Standard socket head cap screws possess a cylindrical head with a flat, chamfered top surface and a recessed socket drive. The outer sides of the cylindrical cap are commonly knurled. The cap can be situated either above the surface or recessed into a counter-bored hole. Ideal for precision assembly work as well as applications which require a neat, finished appearance, standard socket head cap screws offer a clean look along with maximum strength. Standard head caps are crafted from alloy steel, stainless steel, nickel alloy and silicon bronze. Available finishes include black oxide, zinc and plain while the majority of the standard fasteners conform to ASME B18.3, DIN 912 or Din 912/ISO 4762 specifications. An allen wrench (hex key) is needed for installation and removal.
| Norminl | Dk Max | K | S | t | Thread Length |
| d | no knurl | knurl | Max | Max | Min | Min | b |
| M1.6 | 3 | 3.14 | 1.6 | 1.56 | 1.52 | 0.7 | 15 |
| M2 | 3.8 | 3.98 | 2 | 1.56 | 1.52 | 1 | 16 |
| M2.5 | 4.5 | 4.68 | 2.5 | 2.06 | 2.02 | 1.1 | 17 |
| M3 | 5.5 | 5.68 | 3 | 2.58 | 2.52 | 1.3 | 18 |
| M4 | 7 | 7.22 | 4 | 3.08 | 3.02 | 2 | 20 |
| M5 | 8.5 | 8.72 | 5 | 4.095 | 4.02 | 2.5 | 22 |
| M6 | 10 | 10.22 | 6 | 5.14 | 5.02 | 3 | 24 |
| M8 | 13 | 13.27 | 8 | 6.14 | 6.02 | 4 | 28 |
| M10 | 16 | 16.27 | 10 | 8.175 | 8.025 | 5 | 32 |
| M12 | 18 | 18.27 | 12 | 10.18 | 10.025 | 6 | 36 |
| M14 | 21 | 21.33 | 14 | 12.21 | 12.032 | 7 | 40 |
| M16 | 24 | 24.33 | 16 | 14.21 | 14.032 | 8 | 44 |
| M18 | 27 | 27.33 | 18 | 14.21 | 14.032 | 9 | 48 |
| M20 | 30 | 30.33 | 20 | 17.23 | 17.05 | 10 | 52 |
| M22 | 33 | 33.39 | 22 | 17.23 | 17.05 | 11 | 56 |
| M24 | 36 | 36.39 | 24 | 19.28 | 19.065 | 12 | 60 |
| M27 | 40 | 40.39 | 27 | 19.28 | 19.065 | 13.5 | 66 |
| M30 | 45 | 45.39 | 30 | 22.28 | 22.065 | 15.6 | 72 |
| M36 | 54 | 54.46 | 36 | 27.28 | 27.065 | 19 | 84 |
Question & Answer
1. Payment : T/T (30% T/T in advance and balance 70% against copy of B/L)
L/C at sight
2. Lead Time : If have stock , can be packing and ship within 10-15 days ,
If not have stock , usually take 25-30 days to produce one container order .
3. Free Sample : For standard item , we can supply the samples free . courier cost by the buyer.
For nonstandard item , we will quote the mould charge ineed, but the mould charge can be return if bulk order released .
4. OEM : We Can produce the drawing according to your drawing or samples , also can packing the products as customer's request with LOGO and company information on it
5. How to place a order :
Send inquiry -------quotation --------Confirm order (price ,lead time , technical detail with drawing and payment ) ---------pay deposit -------Start to produce after got deposit ---------sample approve (if need) ------------ass produce -----send picture of packing for confirm------arrange shippment ---------send copy of B/L -------------Pay balance payment ----------send the documents for clearance ----------feedback
6. Anyother question , welcome to contact us anytime .
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A2 A4 Stainless Steel Screws Metric Precision Cylindrical Hex Socket Head Cap Images
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