DIN7991 Hexagon Socket Countersunk Head Cap Screws
Metric Spcifications as per DIN7991 standard
Size M3 up to M20
Length 8mm up to 100mm
Stainless steel 304, AISI316, 18-8
Carbon Steel Grade 8.8, 10.9, 12.9
Yellow Zinc Galvanizing, or Black Oxide, White Zinc
Nickle and Chrome plated, brass coating, dacromet coating
Silver coating, ruspert coating
Material Grade 8.8, 10.9, 12.9 and A2, A4
Standard DIN912, DIN7984 ANSI B18.2.1
Customized specifications negotiable
Surface can be PL, ZP, BZP, YZP, HGD, nickle
For more production information, please visit us
At hexbolts. Cn
Transhow Fasteners, manufacture various bolts, hex bolts, round head bolts, square head bolts,
T head bolts, dog head bolts and other customized bolts, special use bolts.
Metric standard bolts as DIN, EN, ISO, GB, JIS, AS, UNI, etc.
Inch standard bolts as ASME/ANSI, ASTM/SAE/IFI, BS, etc.
Material used for producing the bolt could be carbon steel, alloy steel, stainless steel and brass.
Headed bolts for size below M24 (or 1 inch) generally Cold forged and bigger sizes will be hot forged.
For various corrosion resistant and strength purpose, our bolts could be further treated such as heating, black oxide, zinc coating, hot dipper galvanizing, black zinc coating, brass coating, nickle and chrome plating, dacomate, etc. Interested buyers please contact us now!
DIN912 Standard Specificatinos please see below table!
| All measurements in millimeters (mm) DIN912 Standard Specifications |
|
| d1 |
t min |
s |
k max |
d2 |
| M2 |
1 |
1.5 |
2 |
3.8 |
| M3 |
1.3 |
2.5 |
3 |
5.5 |
| M4 |
2 |
3 |
4 |
7 |
| M5 |
2.5 |
4 |
5 |
8.5 |
| M6 |
3 |
5 |
6 |
10 |
| M8 |
4 |
6 |
8 |
13 |
| M10 |
5 |
8 |
10 |
16 |
| M12 |
6 |
10 |
12 |
18 |
| M14 |
7 |
12 |
14 |
21 |
| M16 |
8 |
14 |
16 |
24 |
| M18 |
9 |
14 |
18 |
27 |
| M20 |
10 |
17 |
20 |
30 |
| M24 |
12 |
19 |
24 |
36 |
| M27 |
13.5 |
19 |
27 |
40 |
| M30 |
15.5 |
22 |
30 |
45 |
| M36 |
19 |
27 |
36 |
54 |
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