33mm Spherical Seat Washer
Spherical Seat Washers are designed to aid even fastening between parts with irregular alignment. The top washer features a convex spherical radius for aligning in the con-caved bottom washer. Both spherical washers (top and bottom), when used together, form a male to female type assembly.
Product Introduction
Product Introduction
● Surface treatment: Plain, Black, zinc plated and Hot dip galvanized
● Hardness: Min 200 brinell
● Reduces bolt fatigue from bending bolts
Product Parameter (Specification)

Item No. | # | d | DC | H | |||
max | min | max | min | max | min | ||
CLDS020-1 | 6 | 6.6 | 6.4 | 12.5 | 12.07 | 3 | 2.75 |
CLDS020-2 | 8 | 8.6 | 8.4 | 17 | 16.57 | 4 | 3.7 |
CLDS020-3 | 10 | 10.74 | 10.5 | 21 | 20.48 | 4 | 3.7 |
CLDS020-4 | 12 | 13.24 | 13 | 24 | 23.48 | 5 | 4.7 |
CLDS020-5 | 16 | 17.24 | 17 | 30 | 29.48 | 6 | 5.7 |
CLDS020-6 | 20 | 21.28 | 21 | 37 | 36.38 | 6.6 | 6.24 |
CLDS020-7 | 24 | 25.28 | 25 | 44 | 43.38 | 9.6 | 9.24 |
CLDS020-8 | 30 | 31.34 | 31 | 56 | 55.26 | 9.8 | 9.44 |
CLDS020-9 | 36 | 37.34 | 37 | 66 | 65.26 | 12 | 11.57 |
CLDS020-10 | 42 | 43.34 | 43 | 78 | 77.26 | 16 | 15.57 |
Products Details



Production Procedure

Product Qualification
● Taizhou changlong factory passed ISO9001
● Our dielectric union is lead free and we have got Lead Free Certification
● Comply with the applicable sections of the latest edition of the Uniform Plumbing Code and the International Plumbing Code
● Manufactured in compliance with ASSE 1079-05

Our Product
The factory is specialized in producing a variety of high intensity particular fasteners. It mainly produces Dielectric Pipe Unions, pipe clamps and non-standard, irregular high intensity particular bolts and nuts.
The following are our 2 main products range:
1. Lead free plumbing products, dielectric union: FIPXC, MIPXC, FIPXFBP, MIPXFemal solder, FIPX Copper male, MIF x Sweat male, Black FIPXBlack FIP, Flange etc.
There are mainly 4 kind of surface treatment: black, zinc plate, hot-dip galvanized and plain.
Factory Review
Taizhou Changlong Fasteners Co. Ltd, located in Taizhou City Zhejiang Provice, is established in the year 1995. With more than 20 years development, now we become a medium-sized factory from a small works shop.




Deliver, Shipping and Serving
Packing Details: Carton or Pallet or follow customer requirements.
Delivery Details: usually 25 days after receiving the order confirmation. Fast delivery requirements is negotiable.
Shipment: by sea, by air fron Ningbo/Shanghai port or by courier like DHL, TNT and Fedex etc.

FAQ
Q1: What are your main products?
A: Dielectric union and rock bolt accessories, like spherical nut, hex nut, spherical washer etc.
Q2: Packaging & Shipping:
A: Packing: wooden pallet, wooden case or with outer carton, or as per customers' specific requirements.
Q3: When can I get the price?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or inform us by email, so that we will regard your inquiry in priority.
Q4: Can you do the design for us?
A: Yes. We have a professional team having rich experience on products designs and package design. Just tell us your ideas and we will help to carry out your ideas into perfect products. It does not matter if you do not have someone to complete files. Send us high resolution images, your Logo and text and tell us how you would like to arrange them. We will send you finished files for confirmation.
Q5: How long can I expect to get the sample?
A: Samples will be free of charge if we have stock, and can send to you immediately.
If we have to make the new samples for you, it takes about 5 days.
Q6: What about the lead time for mass production?
A: Honestly, it depends on the order quantity and the season you place the order. Generally speaking, production lead time is within 30 days.
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