Joaloka e mong oa baetsi ba litsebi Chaena, DONGSHAO e ka thabela ho u fa libotlolo tsa hlooho. 'Me re tla u fa litšebeletso tse ntle ka ho fetisisa tsa ka mor'a ho rekisa le ho fana ka thepa ka nako.
Hobaneng o Khetha liboutu tse Round Head ho fapana le Hex Bolts?
Bareki ba bangata ba khetha liboutu tsa hlooho tse chitja hobane li kopanya ts'ebetso ea ho tiisa le ponahalo e hloekisitsoeng e felileng.
Unlike hex head bolts, the rounded head has no exposed corners, reducing the possibility of scratching surrounding components or operators during use. Profaele e boreleli e boetse e etsa hore fastener e loketse lits'ebetso tse bonoang moo ponahalo e leng bohlokoa.
When paired with a square neck design, the bolt locks into the mounting hole and prevents rotation during tightening, allowing installation from one side while improving assembly efficiency.
For applications involving frequent contact with people, cables, or moving parts, round head bolts provide additional safety by minimizing snagging points.
| (inch) | #10 | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 5/8 | 3/4 | 7/8 | 1 |
| P | 24|32 | 20|28|32 | 18|24|32 | 16|24|32 | 14|20|28 | 13|20|28 | 11|18|24 | 10|16|20 | 9|14|20 | 8|12|20 |
| ds max | 0.199 | 0.26 | 0.324 | 0.388 | 0.452 | 0.515 | 0.642 | 0.768 | 0.895 | 1.022 |
| ds min | 0.182 | 0.237 | 0.298 | 0.36 | 0.421 | 0.483 | 0.605 | 0.729 | 0.852 | 0.976 |
| dk max | 0.469 | 0.594 | 0.719 | 0.844 | 0.969 | 1.094 | 1.344 | 1.594 | 1.844 | 2.094 |
| dk min | 0.438 | 0.563 | 0.688 | 0.782 | 0.907 | 1.032 | 1.219 | 1.469 | 1.719 | 1.969 |
| k max | 0.114 | 0.145 | 0.176 | 0.208 | 0.239 | 0.27 | 0.344 | 0.406 | 0.469 | 0.531 |
| k min | 0.094 | 0.125 | 0.156 | 0.188 | 0.219 | 0.25 | 0.313 | 0.375 | 0.438 | 0.5 |
| r max | 0.031 | 0.031 | 0.031 | 0.031 | 0.031 | 0.031 | 0.062 | 0.062 | 0.062 | 0.062 |
Phekolo ea holim'a metsi e ama ka kotloloho ho hanyetsa kutu le bophelo ba ts'ebeletso.
We offer various finishing options according to the operating environment.
Bareki ba ka khetha liaparo tse fapaneng tse ipapisitseng le maemo a kahare, kantle, a mongobo kapa a leoatle.
Bolt e 'ngoe le e' ngoe ea DONGSHAO e pota-potileng e feta methating e mengata ea tlhahiso ho netefatsa ho ts'epahala ha maemo le ho ts'epahala ha mochini.
Strict quality control helps ensure stable performance across every production batch.
Q1. Phapano ke efe lipakeng tsa boutu ea hlooho e chitja le boutu ea kariki?
Batho ba bangata ba ferekanya li-fasteners tsena tse peli. A carriage bolt normally includes a round head with a square neck directly beneath the head, which locks into wood or square holes to prevent rotation. Round head bolts may be manufactured with different neck designs depending on the application, making them suitable for a wider range of fastening systems.
Q2. Which material should I choose?
Thepa e itšetlehile ka sebaka sa ho sebetsa.
Q3. Can you manufacture non-standard sizes?
Ee.
DONGSHAO e fana ka litšebeletso tsa OEM le ODM. We can manufacture according to customer drawings, technical specifications, or physical samples, including customized diameters, lengths, thread types, head dimensions, and surface finishes.
Q4. Liboutu tsa hlooho e chitja li latela litekanyetso life?
Products can be manufactured according to various international standards, including:
Litlhaloso tsa tloaelo le tsona lia tšehetsoa.
Q5. How do I choose the right surface treatment?
Ho roala ho lokela ho lumellana le sebaka sa tšebeletso.
| Tikoloho | E khothalelitsoe Qetella |
|---|---|
| Ka hare | Zinc e entsoeng |
| Kantle | Hot Dip Galvanized |
| Mongobo o Phahameng | Dacromet kapa Geomet |
| Marine | Sebetsa 316 |
| Limela tsa Lik'hemik'hale | Stainless Steel kapa Geomet |
Q6. Do you provide quality certificates?
Ee.
Material certificates, inspection reports, dimensional inspection records, mechanical property reports, and third-party testing can be provided upon request.