M6 M8 M10 Copper Brass Round Butterfly Wing Nut DIN315

• Material: High Strength Steel
• Certification: ISO, GS, CE
• OEM Customized: ISO9001: 2000
• Type: Square Head
• Head Style: Round
• Connection: Hinged Bolts
• Model NO.: EPH-Bolt & Nut
• Grade: 12.9
• Transport Package: Carton
• Specification: OEM/ODM
• Trademark: EPH
• Origin: Qingdao
• HS Code: 8708508600
• Production Capacity: 1000000PCS/Month

Product Description

Main products	Hex head bolt		DIN931,DIN933,DIN960,DIN961,ISO4014,ISO4017
	Heavy hex bolt		DIN6914,DIN7990,ASTM A325,ASTM A490
	Hex nut		DIN934,DIN6915,ASTM A194 2H,ASTM A563
	Washer		DIN125,DIN127,DIN6916,ASTM F436
	Stud bolt		DIN975,ASTM A193 B7
Standard	DIN, ISO, ANSI, ASME, BS, AS, JIS and non-standards
Application	Building, instrument, automobile, furniture and so on
Grade & Material	Grade 4.8		Q235
	Grade 5.8		35K  ( no heat treatment )
	Grade 8.8		D ≤ M20	35K
			M22 ≤ D ≤ M24	45#
			D ≥ M27	40Cr
	Grade 10.9		D ≤ M24	40Cr
			D ≥ M27	35CoMoA
	Grade 12.9		D ≤ M24	35CoMoA
			D ≥ M27	42CoMoA
Diameter	M4-M100mm Or 1/4"-1-1/2"
Length	20-1000mm Or 3/4"-12"
Production Process	Cold Heading	Cold heading → Heat treatment → Surface treatment
	Hot Forging	Cutting → Chamfering(tail) → Hot forging → Chamfering(head) → Polishing → Backspin → Threading rolling → Heat treatment → Surface treatment
Finish	Plain, Black oxidized, Zinc Plated (white, yellow, blue, color...), Hot Dip Galvanized, Dacromet, Chrome
Packing	25kg per carton, 36 cartons packed in a pallet or according to your demands
Supply Ability	800 tons per month
Minimum Order	500kgs for each specification
Delivery	15-45 days
Certification	ISO9001-2008 and Ningbo Product Quality Inspection (see below)
Our motto	High quality; Attractive price; Timely delivery; Service upmost

FAQ

1.Q:Are you trading company or manufacturer?
A: We are factory with more then 15years experience
2.Q: How long is your delivery time?
A:Generally it is 15-30days as we are Customized service we confirm with Customer when place order.
3.Q:Do you provide samples?ls it free or extra?
A: YYes we provide samples,for sample charge as per sample condition to decide free or charged,usually for not too much time used consumed machining process are free.
4.Q:What is your terms of payment?
30% T/T in advance,balance before shipment.Or as per discussion.
5.Q: Can we know the production process without visiting the factory?
A:We will offer detailed production schedule and send weekly reports with digital pic tures and videos which show the machining progress
6.Q:Available for customized design drawings?
A:YesDWG.DXF.DXWIGES.STEP.PDF etc
7.Q:Available for customized design drawings?
A: Yes,we can sign the NDA before your send the drawing
8.Q:How do you guarantee the quality ?
A:(1)Checking the raw material after they reach our factory--.---
Incoming quality control(IQC)
(2) Checking the details before the production line operated
(3) Have a full inspection and routing inspection during mass production---
In-process quality control(IPQC).
(4) Checking the goods after they are finished---- Final quality control(FQC)
(5) Checking the goods after they are finished-----Outgoing quality control(QC)
(6)100% inspection and delivery before shipment