Hebei Kappa Metal Products Co., Ltd. is one of the most reliable manufacturers and suppliers of carbon steel threaded rod grade 4.8 zinc plated in China. Welcome to buy bulk high quality carbon steel threaded rod grade 4.8 zinc plated 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)
Technical Data
Zinc plated threaded rod in grade 4.8 carbon steel, M4 to M24. Full thread rod for hangers, supports and suspended assemblies. Cut lengths. Request quotation.
|
Item |
Details |
|
Product Name |
Threaded rod, grade 4.8 |
|
Material |
Carbon steel, grade 4.8 |
|
Surface Treatment |
Zinc plating |
|
Thread Type |
Full thread, rolled |
|
Thread Size |
M4, M5, M6, M8, M10, M12, M16, M20, M24 |
|
Stock Length |
1 m and 3 m, cut to order |
|
Standard |
Dimensions per DIN 975 and DIN 976 |
|
Accessories |
Hex nuts, couplers, channel nuts |
Grade 4.8 gives moderate strength for general service, and the rolled thread runs the full length so the rod can be cut and coupled anywhere on the run. Sizes run M4 to M24 in one metre and three metre stock lengths, cut to order as needed.
Application Scenarios
Electrical
cable tray and ladder rack hangers from structure.
01
Sprinkler
branch lines and head drops from ceilings.
02
HVAC
Duct and pipe supports and seismic bracing.
03
Plant maintenance
gauge boards, instrument stands and pipe shoes.
04
Interiors
suspended signage, display and lighting grids.
05
Comparison
|
Point |
Grade 4.8 rod |
Grade 8.8 rod |
|
Strength class |
General service |
High load hangers |
|
Typical use |
Tray, duct, sprinkler drops |
Structural hangers, seismic |
|
Sizes |
M4 to M24 |
M6 to M30 |
|
Finish options |
Zinc, HDG, stainless |
Zinc, HDG, stainless |
|
Cut and couple |
Yes, anywhere on the run |
Yes, engineer rated joints |

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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