Taizhou Changlong Fasteners Co.,Ltd

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Black Square Nuts for Rock Bolt

​Square nuts originally designed to go with square head bolts, they have generally been replaced by the cheaper hexagon nut or the square pressed nut.

Product Introduction

Product Introduction

● Nuts hot forged

● Material: Grade 4 Steel

● Free from flash and surgace defects

● Alternate Finishes Available


Product Parameter (Specification)

1

Item No.

Size

A

B

C

CLSN018-1

M5

11.3

8

4

CLSN018-2

M6

14.1

10

5

CLSN018-3

M8

18.4

13

6.5

CLSN018-4

M10

24

17

8

CLSN018-5

M12

26.9

19

10

CLSN018-6

M16

33.9

24

13

CLSN018-7

M20

42.4

30

16


Products Details

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Production Procedure

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Product Qualification

● We are ISO9001 qualified

4


Factory Review

For production machine, we have 10 forging and pressing machines, 30 numerical control machines and 5 threading machines.

For detection equipment, we have 3 hardness detection machine.

All the machines and equipment are advance and completed.

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14

16


Deliver, Shipping and Serving

Packing Details: Carton or Pallet or follow customer requirements.

Delivery Time: About 30 days after received your payment. If stock available, will send the goods within one week.

Delivery Term: FOB or CIF or CFR/CNF.

Shipment: Usually by sea, if customer is in urgent need of the good, we can also deliver by air or by express like DHL, UPS Fedex etc.

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FAQ

Q1: Are you a manufacturer or trading company?

A: We are a manufacturer.

Q2: Where is your company?

We are located in Taizhou, Zhejiang Province, very convenient for shipping.

Q3: How about the MOQ?

3000PCS.

Q4. What is the term of Payment?

T/T, L/C, Western Union, Paypal; 30% T/T in advance, 70% against copy of B/L.

Q5: What are your main products?

Dielectric union and rock bolt accessories, like spherical nut, hex nut, spherical washer etc.


Latest News

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