Product Description
Stainless Steel Undercut Anchor Bolt Back Bolt
| Size |
Drilling hole diameter(mm) |
Insertion depth (mm) |
Expansion hole diameter(mm) |
Screw diameter (mm) |
Screw expose length(mm) |
| M6*5*20 |
7.2 |
5 |
9.5 |
6 |
12 |
| M6*7*25 |
7.2 |
7 |
9.5 |
6 |
15 |
| M6*9*25 |
7.2 |
9 |
9.5 |
6 |
13 |
| M6*12*32 |
7.2 |
12 |
9.5 |
6 |
10 |
| M6*15*32 |
7.2 |
15 |
9.5 |
6 |
14 |
| M6*18*32 |
7.2 |
18 |
9.5 |
6 |
11 |
| M6*21*35 |
7.2 |
21 |
9.5 |
6 |
11 |
| M8*15*32 |
9.5 |
15 |
11.5 |
8 |
14 |
| M8*18*35 |
9.5 |
18 |
11.5 |
8 |
14 |
| M8*20*40 |
9.5 |
20 |
11.5 |
8 |
17 |
Product name: Sprial type undercut bolt
Material: A2(stainless steel 304) A4(stainless steel 316)
Description:
It is assembled by thread rod, flange lock nut, and undercut expansion sleeve. Hole bottom size and stone surface size is fixed, the product itself cannot eliminate the minor difference during stone process.
Can be applied to : granite, marble,sandstone,shale, etc.
Ceramics, cement board, Yanci board,calcium silicate plate, etc
Detailed Photos
Company Profile
Our main factory is located in Xinghua city, Jiangsu province and has been in the fastener industry since 2002. We are the branch in Zhongshan City. In order to provide a fast service for domestic customers, we set a warehouse in Zhongshan, so our response time is within 24 hours for domestic customers. For overseas customers, we can delivery the standard fastener within 3 days, and non-standard one in 15 days.
Packaging & Shipping
Our standard package is: neutral inner white box and outer carton, usually 6 pcs/box according to sizes, outer carton is 27*27*17cm. Pallet is needed if the products are too heavy. For colorful boxes, extra fee will be charged.
FAQ
A: Are you a factory or a trader?
We are manufacturer with factory plant located in Jiangsu province, Dainan City and we are the the branch in Zhongshan city. We are also a trader for the products we don't produce.
B: What is your MOQ?
For stock products, no strick MOQ, but for non-standard products, MOQ is required, depending on the size of the prodcuts.
C: can I have my own headmark and own design products
Yes, we also offer OEM service and can provide non standard products as well.
D: How is your lead time
For standard products, we mostly have product in stock, so we can make fast delivery(usually 1-3 days). For non-standard products or out of stock products, lead time is usually around 15 days.
E: Do you have convenient chatting method?
Yes, please send message to me and I will add your whatsapp/wechat,
F: do you have a website, where can I see your new products?
Our new products will be updated through made-in-china.com. You can search our company name and check it.
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