10.9 Grade Carbon Steel Hot Dip Galvanized Hex Socket Head Cap Screw DIN912
1. Product Description
The inner cylinder head Allen screws, also called hex bolts, cup head screws, socket head cap screws not the same name, represents the meaning is the same. Commonly used hexagon socket head screws, then there are 4.8, 8.8, 10.9, 12.9. Its head is hex head, cylindrical head also. Material stainless steel and iron. There are stainless steel SUS202 stainless steel hexagon socket head cap screws, this is an ordinary stainless steel material, there are stainless steel SUS304 hexagon socket head cap screws with stainless steel SUS316 hexagon socket head cap screws. Iron by hexagon socket head cap screws strength rating, there is within 4.8 hexagon socket head screws, there are within 8.8 hexagon socket head cap screws with internal hexagon socket head cap screws 10.9 with 12.9 hexagon socket head cap screws. Within 8.8 -12.9 level hexagon socket head cap screws called high-strength high-grade hex bolts.
hex socket cap screw although kind of national standards will be more, but basically some rather special, basically on the market in general very few people would go with. More used to the number of the inner cylinder head or hex screws, also called the inner cylinder head Allen screws.
2. Specification
| Metric | Thread Length | Head diameter | Head high | Socket width | Socket Depth |
| (d) | (b) | (dk max.) | (dk min.) | (k max.) | (k min.) | (s Nom.) | (s min.) | (s max.) | (t min.) |
| M 3 | 18,0 | 5,5 | 5,32 | 3,0 | 2,86 | 2,5 | 2,52 | 2,58 | 1,3 |
| M 4 | 20,0 | 7,0 | 6,78 | 4,0 | 3,82 | 3,0 | 3,02 | 3,08 | 2,0 |
| M 5 | 22,0 | 8,5 | 8,28 | 5,0 | 4,82 | 4,0 | 4,02 | 4,095 | 2,5 |
| M 6 | 24,0 | 10,0 | 9,78 | 6,0 | 5,7 | 5,0 | 5,02 | 5,14 | 3,0 |
| M 8 | 28,0 | 13,0 | 12,73 | 8,0 | 7,64 | 6,0 | 6,025 | 6,14 | 3,5 |
| M 10 | 32,0 | 16,0 | 15,73 | 10,0 | 9,64 | 8,0 | 8,025 | 8,175 | 4,0 |
| M 12 | 36,0 | 18,0 | 17,73 | 12,0 | 11,57 | 10,0 | 10,025 | 10,175 | 5,0 |
| M 14 | 40,0 | 21,0 | 20,67 | 14,0 | 13,57 | 12,0 | 12,032 | 12,212 | 6,0 |
| M 16 | 44,0 | 24,0 | 23,67 | 16,0 | 15,57 | 14,0 | 14,032 | 14,212 | 7,0 |
| M 20 | 52,0 | 30,0 | 29,67 | 20,0 | 19,48 | 17,0 | 17,05 | 17,23 | 8,0 |
| M 24 | 60,0 | 36,0 | 35,61 | 24,0 | 23,48 | 19,0 | 19,065 | 19,275 | 10,0 |
| M 27 | 66,0 | 40,0 | 39,61 | 27,0 | 26,48 | 19,0 | 19,065 | 19,275 | 12,0 |
| M 30 | 72,0 | 45,0 | 44,61 | 30,0 | 29,48 | 22,0 | 22,065 | 22,275 | 13,5 |
| Manufacture Process | Heading → washer → assembly → Threading → Secondary machine → heat treatment → plating → Anti-slipping → Baking → QA Package → Shipping |
| Package | 1.Plastic Bags+Carton+ Pallet(Carton size: 20cm*20cm*15cm) . |
| 2.according to customers requirements. |
| 3.Suitable for sea shipping and air shipping. |
| Terms of payment | 30% deposit to confirm the order, left payment balance before shipping |
| Quality Warranty | Before shipping,the QC will test, and we confirm our goods will satisfy yr request of 100%, and have 18 month warranty |
| After sales service | we will follow up goods for every customer |
| and help solve problem after sales. |
3. Application
ALLEN BOLTS commonly used in machinery, mainly for easy fastening and removal, not easy to slip angle and other advantages. Allen wrench is generally a 90 ° bend, bend one end of the long side of short, short side hit the screw when, holding the long side can save a lot of power and can better tighten the screws. long end partakers round (hexagon spheroidal) peace, round can be easily inserted into the screw holes very convenient disassemble, within the manufacturing cost hexagon hexagon much lower than, its advantages as well as conch (wrench force position) than the inner hexagon thin in some places can not replace Allen Further low cost, low power intensity , SHCS lower than the precision machinery used much less hex.
It is similar with countersunk head screw, nail head is buried parts, the greater the strength of the connection, but must use the appropriate size Allen wrench screw assembly and disassembly. Generally used for a variety of machine tools and accessories.
4. Advantages
Help customer to design, making drawing;
Providing free samples + material test report;
Arrange shipment, and Inform customer in advance 7 days before finishing the order;
Before shipment, send the detailed product pictures, dimension inspection report, material report to customer;
Expressing original document;
Contact us for more information;
5. More pictures
Product Tags:
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High Strength Cup Head Screws Galvanized , Metric Allen Bolts OEM / ODM DIN 912 Images
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