Ningbo Boltman Industry Co.,Ltd

Contact Us

Tel: +86-574 27957866
Fax: +86 574 27666628
Mobile: +8615924170846
Add: Rm 15-7,Huahong Int’l center ,No. 717 Zhongxing Rd, Ningbo


Answer:  Fasteners is a kind of mechanical parts for fastening, which is widely used. The characteristics of the fasteners: the specification is various, performance for different purposes, and a high degree of standardization, seriation, generalization. Therefore, someone already called national standards of fastener as standard fastener, and standard parts for short.


2. Question:  What’s the mainly type of fastener?

Answer:  Usually includes the following categories: Bolt, stud, screws, nuts, self tapping screw, wood screw, washer, ring, pin, rivets, assembly and connection, welding stud.


3. Question:  What’s the mainly type of screws’ head?

Answer:  Mainly includes the following: hexagon head, hexagon head with flange, square head, T head(hammer head), mushroom head(truss head), cheese head, round head, pan head, countersunk head(flat head) and raised countersunk head


4. Question:  What’s the material type of screw?

  Answer:  Mainly includes the following: a. Low Carbon Steel, SS-304: StainlessSteel304, SS-302, Aluminum5052,Brass, Bronze and UNSC11000Copper

5. Question:  When can I get reply?

Answer:  We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority.

6. Question:  How can I get a sample to check your quality?

Answer:  After price confirmation, you can require for samples to check our quality.

If you need the samples, we will charge for the sample cost .But the sample cost can be refundable after order confirmation.

7. Question:  How long can I expect to get the sample?

Answer:  After you pay the sample charge and send us confirmed files, the samples will be ready for delivery in 3-7 days.

8. Question:  What are your terms of delivery?

Answer:  We accept EXW, FOB, CIF, etc. You can choose the one which is the most convenient or cost effective for you.

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