Negotiable
The date of payment from buyers deliver within days
Beijing
Long-term effective
2021-09-11 10:17
262
wuxijiegu(Mr.)
Beijing
No. 78 Chunsun East Road, Wuxi City
Product Description
The 12.9 grade hexagon screw is mainly used for heavy-duty stamping applications and earth-moving machinery such as bulldozers and excavators. Their tensile strength is 170,000 psi (1200Mpa), which is 10% stronger than our other metric steel screws.
The dimensions comply with ISO 4017 (formerly DIN 933) specifications. The length is measured from under the head.
Product Details
Drive Style |
External Hex |
System of Measurement |
Metric |
Thread Direction |
Right Hand |
Thread Fit |
Class 6g |
Thread Spacing |
Coarse |
Grade/Class |
Grade 12.9 |
Surface Treatment |
Black Oxide,Zinc plated,Hot dip galvanized,Dacromet,Yellow zinc,PTFE etc. |
Specification Met |
ISO4017,DIN933 |
Product specifications
d: represents the thread diameter L: represents the thread length k: represents the thickness of the head
dk: represents the diameter of the head s: represents the opposite side of the hexagon t: represents the thread depth
Specification d*L composition such as: M4*20 (thread diameter 4mm*length 20mm) without head thickness
d |
k |
dk |
L |
Optional hexagon wrench |
M3 |
3mm |
5.5mm |
2.5mm |
|
M4 |
4mm |
7mm |
3mm |
|
M5 |
5mm |
8.2mm |
4mm |
|
M6 |
6mm |
10mm |
5mm |
|
M8 |
8mm |
13mm |
6mm |
|
M10 |
10mm |
16mm |
8mm |
|
M12 |
12mm |
18mm |
10mm |
|
M14 |
14mm |
21mm |
12mm |
|
M16 |
16mm |
24mm |
14mm |
|
M20 |
20mm |
29.7mm |
18mm |
Product equipment
Feature
Smooth, no burr, no burr, easy to use
Hard and not deformed, first use high-quality materials, sturdy and durable
Standard head, easy to install
High wear resistance and corrosion resistance 304 does not rust in humid environments
Strong antioxidant capacity and good quality
Certificate
Warehouse-Map
Our factory
http://www.jgscrewnut.com/