1. High strength twist off type TC bolt A490TC
| Product name |
Tension control bolt, tor-shear bolt |
| Standard |
ASTM F1852/F2280/F3125 |
| Available specs. |
ASTM F2280(A490TC), JSS II09(S10T),GB/T 3632,ect. |
| Grade |
8.8 |
| Dia. |
1/2"~1 1/2" |
| Length |
1 1/4"~ 12" |
| Materials: |
Alloy steel---40Cr / 35CrMo, 42CrMo |
| Available finish |
Dacromet, black oxide, phosphating, electronic galvanized,ect. |
| Bolt Set |
set= 1 bolt + 1 Nut + 1 washer |
| Head marking |
HYZ+A325TC or customers' brand + A325TC |
| Packing |
Carton and wooden pallet or wooden case; barrel+wooden pallet |
| Certification: |
FPC BC1, SGS,BV,ISO, factory 3.1cert. |
2. Drawing and dimension
3. Class of bolt, nut and washer
| Components |
Bolt |
Nut |
Washer |
| Class |
F 2280 |
DH / 2H |
F436 |
4. Mechanical properties of Bolt:
5. Features of High Strength T.C. (Tension Control) Bolts
T.C. bolts, improved type of heavy hexagonal structural bolts, were developed for more simplified bolt
fastening and more accurate performance and offer such excellent characteristics as shown below
because no fastening technique of high level is required :
(1) Controlled clamping force can be ensured.
(2) Completion of bolt fastening can be comfirmed by the shear-off of the notched end of the bolt.
(3) Fastening can easily be done by electric wrench.
(4) Noiseless installation and no need of wrench adjustment.
(5) The bolt does not rotate when fastening.
(6) No apprehension of bolts being left unfastened.
6. Bolt erection or installing steps:
7. Compan and workshop:
8. Core products:
9. Our Related projects:
10. Our Brand business partner:
FAQ:
Q: HOW TO GET QUOTATION FAST?
A: To get the correct price in 1st time, pls offer correct size(dia and length), finish or coating, price terms,ect.
Q:Are you a factory or trading company?
A: We are professional factory since establised in year 2007, more than 13years experiences.
Q: What is your MOQ?
A: 1 TONS per sizes, same diameter and different length can combine in one ton as trail order.
Q: What about your production capacity?
A: 500 MT/Month for bolts and 500,000pcs per month for shear studs
Q: How about services?
A: we can not promise the lowest prices, what we can offer is good quality, fast delivery, best services before and after selling.
Q: How does your factory do regarding quality control?
A: Our factory own quality system certification ISO9001 and FPC BC1:2012, From materials arrival to finished goods packing , per step will be carried out inspection and testing strictly. per shipment will together with our 3.1 certificate of quality, any problems we will be incharged.
Audited Supplier 
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