Hebei Kappa Metal Products Co., Ltd. is one of the most reliable manufacturers and suppliers of allen bolt din912 stainless steel 304 a2-70 in China. Welcome to buy bulk high quality allen bolt din912 stainless steel 304 a2-70 made in China here from our factory. If you have any enquiry about cooperation, please feel free to email us.
Drywall screws are not priced by quantity alone. Weight per piece has a direct effect on cost, especially for large orders. A small difference in screw weight can change the total tonnage and the final price.
Send us the details, drawing on my factory-floor experience, we can analyze your specific market conditions and store requirements to help you determine the most precise and appropriate pricing.e-no guesswork on weight.
Please specify:
01
- Diameter × length
- Head type (bugle head, countersunk, etc.)
02
- Thread type (fine or coarse)
- Coating (black phosphate, gray phosphate, zinc, etc.)
03
- Target weight per piece (g/pc)
- Order quantity
04
- Packaging (dimensions of the box/outer carton, package weight, and whether the logo style or color can be customized)
Product Specification
|
Item |
Hex socket head cap screw |
|
Standard |
DIN912 |
|
Material |
Stainless Steel |
|
Grade/Class |
304 (A2-70)Stainless Steel |
|
Finish/Surface treatment |
Plain |
|
Measuring |
Inch/Metric |
|
Trade terms |
EXW/FCA/FOB/CIF/DAP/DDP |
|
Customized |
Fasteners, Logo, Head mark, and packaging |
|
Payment terms |
30% T/T as deposit,70%balance before delivery |
|
Payment methods |
Bank account/Ali pay Qr code/Wechat Qr code/Western Union.... |
|
Original |
Handan city Hebei province China |
304 Stainless Steel:Material & Corrosion Resistance
304 handles moisture, humid air and ordinary indoor/outdoor exposure well - which is why it's the default choice for fasteners in everyday environments.
The chromium in the alloy forms a passive surface layer that keeps corrosion in check, and the natural metallic finish suits visible assemblies where appearance matters.
For general machinery, equipment assembly and hardware, 304 is the practical middle ground: enough corrosion resistance for most jobs, without the cost of a higher grade. Not the pick for saltwater or high-chloride exposure.
|
Screw Thread d |
M10 |
M12 |
(M14) |
M16 |
M20 |
M24 |
M30 |
M36 |
||
|
P |
Pitch |
1.5 |
1.75 |
2 |
2 |
2.5 |
3 |
3.5 |
4 |
|
|
dk |
max |
16.27 |
18.27 |
21.33 |
24.33 |
30.33 |
36.39 |
45.39 |
54.46 |
|
|
min |
15.73 |
17.73 |
20.67 |
23.67 |
29.67 |
35.61 |
44.61 |
53.54 |
||
|
ds |
max |
10.00 |
12.00 |
14.00 |
16.00 |
20.00 |
24.00 |
30.00 |
36.00 |
|
|
min |
9.78 |
11.73 |
13.73 |
15.73 |
19.67 |
23.67 |
29.67 |
35.61 |
||
|
k |
max |
10.00 |
12.00 |
14.00 |
16.00 |
20.00 |
24.00 |
30.00 |
36.00 |
|
|
min |
9.64 |
11.57 |
13.57 |
15.57 |
19.48 |
23.48 |
29.48 |
35.38 |
||
|
s |
Nominal size |
8 |
10 |
12 |
14 |
17 |
19 |
22 |
27 |
|
|
min |
8.025 |
10.025 |
12.032 |
14.032 |
17.05 |
19.065 |
22.065 |
27.065 |
||
|
max |
12.9 |
8.115 |
10.115 |
12.142 |
14.142 |
17.23 |
19.275 |
22.275 |
27.275 |
|
|
other |
8.175 |
10.175 |
12.212 |
14.212 |
17.23 |
19.275 |
22.275 |
27.275 |
||
|
t |
min |
5 |
6 |
7 |
8 |
10 |
12 |
15.5 |
19 |
|
|
Length of Thread b |
- |
- |
- |
- |
- |
- |
- |
- |
||
Custom Packaging&Private Label Available
Choose from bulk cartons, poly bags with branded labels, or retail-ready packaging. Minimum order quantities can be adjusted to support both small contractors and large-scale procurement needs.
We offer custom box/bags printing and labeling services to help you build your own product line.
FAQ
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