Zinc Plating • Heat Treatment • Phosphating in Prachin Buri
Finishing for small parts — screws, nuts, bolts, washers and all hardware — for factories and shops in Prachin Buri. ISO 9001:2015 with salt-spray test certificates.
We run one plant, and it is in Samut Sakhon. This page covers collection and delivery for customers in Prachin Buri — it is not a branch or a facility in Prachin Buri.
Customers in Prachin Buri can send work to V.S. Heat Treatment any business day. We specialize in high-volume small parts such as screws, nuts, bolts, washers, pins and rivets, with capacity up to 2,000 tonnes per month and in-house lab quality control on every lot.
Industrial estates & zones we serve
V.S. Heat Treatment serves factories and manufacturers in the industrial estates and zones of Prachin Buri.
Why factories in Prachin Buri choose us
Small-part specialists
Processes built specifically for screws, nuts, bolts and washers — minimizing parts sticking together, clogged threads and uneven coating.
Nationwide delivery
Pickup and delivery to plants in Prachin Buri through partner carriers, on time, with full piece counts on every lot.
Certified results
Every job ships with hardness (HRC) and salt-spray results to ASTM B117, ready to pass on to your end customer.
Tunable specs
Choose plating color, coating thickness and hardness level to match how the part is actually used.
Services for Prachin Buri customers
Every plating and heat-treatment process under one roof
The distance from Prachin Buri to our plant in Samut Sakhon is no obstacle. Most customers use parcel freight or their own factory transport. We help coordinate logistics and report job status at every step — contact our team to plan a pickup/delivery cycle that fits your volume.
FAQ — Prachin Buri
How do you handle work from Prachin Buri?+
Send parts via parcel freight or your factory transport to Samut Sakhon. Once finished, we ship them back with test certificates. Ask about pickup cycles via LINE or phone.
Do you accept small low-volume jobs?+
Yes — flexible minimums suit both mass production and sample/small lots. Contact us for a quote based on your real volume.
Do you provide quality certificates?+
Yes. Every lot includes hardness and salt-spray (corrosion) results under our ISO 9001:2015 system.
How long does it take?+
It depends on part type and volume, including transit to and from Prachin Buri — contact our team to agree on a delivery schedule.
About this province
What is manufactured here
The factory mix concentrated in this province decides which finishes get ordered most.
- electronics
- automotive & parts
- general manufacturing & SMEs
- steel & metalworking
Named estates and factory districts
Real place names in the province. IEAT-designated estates are marked.
- 304 Industrial Park, Prachinburi
- Kabin Buri Industrial Zone, Prachin Buri
- Hi-Tech Kabinburi Industrial Estate, Prachin BuriIEAT-designated
- Saha Group Industrial Park Kabinburi, Prachin Buri
- Bo Thong 33 Industrial Estate, Prachin BuriIEAT-designated
- 304 อินดัสเทรียลปาร์ค
- โรจนะปราจีนบุรี
- กบินทร์บุรี
- ศรีมหาโพธิ
- ไฮเทคกบินทร์
- สวนอุตสาหกรรมเครือสหพัฒน์ กบินทร์บุรี
Parts we most often take from this area
สกรูอิเล็กทรอนิกส์ · โบลต์ยานยนต์ · สลัก · แหวน
What work from this province has to meet
These figures come from the industries concentrated here, not from a national average.
| Property class | Salt spray | Hardness | Materials seen | Standards | |
|---|---|---|---|---|---|
| Electronics | 4.8 / 8.8 | 48–120 h NSS | ≤ ~40 HRC | carbon steel, stainless | ISO 4042 · RoHS/REACH · ISO 9227 |
| Automotive & Parts | 8.8 / 10.9 / 12.9 | 240–720 h NSS | 28–45 HRC | SCM435, SCM440, S45C, 10B21 | ISO 898-1 · ISO 4042 · ISO 9227 · JIS |
| Solar Mounting & Racking Hardware | 8.8 · A2-70 / A4-70 where stainless is specified | 480–1,000 h NSS commonly requested | 22–32 HRC (class 8.8) | S45C, SCM435, SWCH10B21, SUS304 | ISO 898-1 · ISO 4042 · ISO 9227 · ISO 10683 |
Failure modes to watch on this kind of work
Questions we get from this province
- Which estates in Prachin Buri do you collect from?
- In Prachin Buri we take work from 304 Industrial Park, Prachinburi, Kabin Buri Industrial Zone, Prachin Buri, Hi-Tech Kabinburi Industrial Estate, Prachin Buri, Saha Group Industrial Park Kabinburi, Prachin Buri, Bo Thong 33 Industrial Estate, Prachin Buri, and from factory districts such as 304 อินดัสเทรียลปาร์ค, โรจนะปราจีนบุรี, กบินทร์บุรี, ศรีมหาโพธิ, ไฮเทคกบินทร์, สวนอุตสาหกรรมเครือสหพัฒน์ กบินทร์บุรี. Plants in this area are concentrated in Electronics, Automotive & Parts, Solar Mounting & Racking Hardware, EV & Battery Assembly Fasteners, Fastener Manufacturers — Toll Processing, Steel Structure & Fabrication; parts come to the Samut Sakhon works and go back with a test certificate per lot.
- What specification does work from Prachin Buri usually have to meet?
- It follows the local industry mix. For Electronics, common in Prachin Buri, the usual call-out is property class 4.8 / 8.8, hardness ≤ ~40 HRC and 48–120 h NSS corrosion resistance, on carbon steel, stainless.
- What hardness do the grades from Prachin Buri reach?
- The grades seen most from this area are S20C, SWCH10B21, SUS304, SCM435, SCM440, SWCH10B33. Attainable hardness varies with grade and section, and the value specified in service after tempering is always below the as-quenched ceiling — the per-grade pages carry both numbers.