Stainles Steel 304/316L Screw Threaded Inserts Helical Wire Screw Fastener

• Material: Stainless Steel
• Type: Common
• Usage: Building, Machinery, Medical, Rocket, Shipping, Chemical, High Speed Train
• Rotation Direction: Right Rotation
• Surface Finishing: Zinc Plated
• Certification: ISO, RoHS
• Model NO.: ZOHA-M12
• Customized: Customized
• Other Name: Screw Thread Insert
• Delivery Ways: by DHL, UPS, TNT, FedEx, EMS, by Ocean, by Air
• Advantage: Durable; Rust Anti; Easy to Use;High Precision;Lig
• Surface Treatment: Polishing, Coating
• Sample: Available
• Pitch Size: 1.5mm
• Length: 1.5D
• Transport Package: Plastic Bag+Carton Case
• Specification: 100pcs/bag
• Trademark: Zoha
• Origin: China
• HS Code: 7318190090
• Production Capacity: 500000PCS/Week

Product Description

 

Product Description

Stainles Steel 304/316L Screw Threaded Inserts Helical Wire Screw Fasteners  are are coiled fastenings that are typically used to strengthen threads and protect tapped holes against failure. They can be used to strengthen threads, giving applications a longer life.

 

Metric series steel wire thread insert type, size and installation parameter table

Diameter (d)	Pitch (P)	Nominal Installation Lenth		Number of Turns(W)	Free Outer (Dz)	Drill Diameter (do)	Hole Depth (L3)	Actual Lenth (L2)
		×d	L1
2	0.4	1d	2.0	2.9	2.60~2.80	2.1	3.6	1.6
		1.5d	3.0	4.9			4.6	2.6
		2d	4.0	6.9			5.6	3.6
		2.5d	5.0	8.9			6.6	4.6
		3d	6.0	10.9			7.6	5.6
2.5	0.45	1d	2.5	3.5	3.30~3.50	2.6	4.3	2.1
		1.5d	3.75	5.9			5.6	3.3
		2d	5.0	8.1			6.8	4.6
		2.5d	6.25	10.5			8.1	5.8
		3d	7.5	12.9			9.3	7.0
3	0.5	1d	3.0	3.9	3.80~4.00	3.1	5.0	2.5
		1.5d	4.5	6.3			6.5	4.0
		2d	6.0	8.7			8.0	5.5
		2.5d	7.5	11.1			9.5	7.0
		3d	9.0	13.5			11.0	8.5
3.5	0.6	1d	3.5	3.7	4.42~4.60	3.7	5.9	2.9
		1.5d	5.25	6.3			7.65	4.75
		2d	7.0	8.7			9.4	6.4
		2.5d	8.75	11.2			11.15	8.15
		3d	10.5	13.3			12.9	9.9
4	0.7	1d	4.0	3.7	5.05~5.25	4.2	6.8	3.3
		1.5d	6.0	6.1			8.8	5.3
		2d	8.0	8.4			10.8	7.3
		2.5d	10.0	10.9			12.8	9.3
		3d	12.0	13.2			14.8	11.3
5	0.8	1d	5.0	4.3	6.35~6.60	5.2	8.2	4.2
		1.5d	7.5	6.9			10.7	6.7
		2d	10.0	9.7			13.2	9.2
		2.5d	12.5	12.3			15.7	11.7
		3d	15.0	14.8			18.2	14.2
6	1	1d	6.0	4.2	7.60~7.85	6.3	10.0	5.0
		1.5d	9.0	6.9			13.0	8.0
		2d	12.0	9.6			16.0	11.0
		2.5d	15.0	12.3			19.0	14.0
		3d	18.0	14.6			22.0	17.0
7	1	1d	7.0	5.3	8.65~8.90	7.3	11.0	6.0
		1.5d	10.5	8.2			14.5	9.5
		2d	14.0	11.1			18.0	13.0
		2.5d	17.5	14.3			21.5	16.5
		3d	21.0	17.4			25.5	20.5
8	1.25	1d	8.0	4.7	9.85~10.10	8.3	13.0	6.8
		1.5d	12.0	7.4			17.0	10.8
		2d	16.0	10.6			21.0	14.8
		2.5d	20.0	13.5			25.0	18.8
		3d	24.0	16.4			29.0	22.8
8	1	1d	8.0	6.1	9.85~10.10	8.3	12.0	7.0
		1.5d	12.0	9.5			16.0	11.0
		2d	16.0	12.9			20.0	15.0
		2.5d	20.0	16.5			24.0	19.0
		3d	24	19.9			28.0	23.0
9	1.25	1d	9.0	5.3	10.85~11.1	9.4	14.0	7.75
		1.5d	13.5	8.6			18.5	12.25
		2d	18.0	11.9			23.0	16.75
		2.5d	22.5	15.3			27.5	21.25
		3d	27.0	18.1			32.0	25.75
10	1.5	1d	10.0	5.0	12.10~12.50	10.4	16.0	8.5
		1.5d	15.0	8.1			21.0	13.5
		2d	20.0	11.2			26.0	18.5
		2.5d	25.0	14.2			31.0	23.5
		3d	30.0	17.2			36.0	28.5
10	1.25	1d	10.0	6.0	12.10~12.50	10.3	15.0	8.8
		1.5d	15.0	9.7			20.0	13.8
		2d	20.0	13.1			25.0	18.8
		2.5d	25.0	16.9			30.0	23.75
		3d	30.0	20.1			35.0	28.75
10	1	1d	10.0	7.6	12.10~12.50	10.3	14.0	9.0
		1.5d	15.0	12.1			19.0	14.0
		2d	20.0	16.3			24.0	19.0
		2.5d	25	20.7			29.0	24.0
		3d	30	25.0			34.0	29.0
11	1.5	1d	11.0	5.6	13.10~13.50	11.4	17.0	9.5
		1.5d	16.5	9.0			22.5	15.0
		2d	22.0	12.3			28.0	20.5
		2.5d	27.5	15.7			33.5	26.0
		3d	33.0	19.1			39.0	31.5
12	1.75	1d	12.0	5.2	14.40~14.80	12.4	19.0	10.3
		1.5d	18.0	8.4			25.0	16.3
		2d	24.0	11.7			31.0	22.3
		2.5d	32.0	14.7			39.0	30.3
		3d	36.0	18.0			43.0	34.3
12	1.5	1d	12.0	6.2	14.40~14.80	12.4	18.0	10.5
		1.5d	18.0	9.8			24.0	16.5
		2d	24.0	13.5			30.0	22.5
		2.5d	32.0	17.1			38.0	30.5
		3d	36.0	20.8			42.0	34.5
12	1.25	1d	12.0	7.4	14.40~14.80	12.3	17.0	10.8
		1.5d	18.0	11.6			23.0	16.8
		2d	24.0	15.9			29.0	22.8
		2.5d	30.0	20.0			35.0	28.75
		3d	36.0	24.3			41.0	34.75
12	1	1d	12.0	9.3	14.40~14.80	12.3	16.0	11.0
		1.5d	18.0	14.5			22.0	17.0
		2d	24.0	19.5			28.0	23.0
		2.5d	30.0	24.8			34.0	29.0
		3d	36.0	30.0			40.0	35.0
13	1.25	1d	13.0	8.2	15.80~16.30	13.3	18.0	11.8
		1.5d	19.5	12.7			24.5	18.3
		2d	26.0	17.2			31.0	24.8
14	2	1d	14.0	5.6	16.80~17.20	14.5	22.0	12.0
		1.5d	21.0	8.8			29.0	19.0
		2d	28.0	12.0			36.0	26.0
		2.5d	35.0	15.2			43.0	33.0
14	1.5	1d	14.0	7.4	16.80~17.20	14.4	20.0	12.5
		1.5d	21.0	11.6			27.0	19.5
		2d	28.0	15.7			34.0	26.5
		2.5d	35.0	19.9			41.0	33.5
14	1.25	Spark Plug Thread	8.4	4.6	16.80~17.20	14.3	13.4	7.15
			12.4	7.4			17.4	11.15
			14.4	9.1			19.4	13.15
			16.4	10.2			21.4	15.15
14	1	1d	14.0	11.2	16.80~17.20	14.3	18.0	13.0
		1.5d	21.0	17.2			25.0	20.0
		2d	28.0	23.2			32.0	27.0
		2.5d	35.0	29.2			39.0	34.0
16	2	1d	16.0	6.5	19.00~19.40	16.5	24.0	14.0
		1.5d	24.0	10.1			32.0	22.0
		2d	32.0	13.8			40.0	30.0
		2.5d	40.0	17.5			48.0	38.0
16	1.5	0.75d	12.0	6.1	19.00~19.40	16.4	18.0	10.5
		1d	16.0	8.7			22.0	14.5
		1.5d	24.0	13.4			30.0	22.5
		2d	32.0	18.1			38.0	30.5
		2.5d	40.0	22.9			46.0	38.5
18	2.5	0.75d	13.5	3.8	21.50~22.0	18.6	23.5	7.0
		1d	18.0	5.6			28.0	15.5
		1.5d	27.0	9.0			37.0	24.5
		2d	36.0	12.3			46.0	33.5
18	2	0.75d	13.5	5.1	21.50~22.0	18.5	21.5	11.5
		1d	18.0	7.1			26.0	16.0
		1.5d	27.0	11.2			35.0	25.0
		2d	36.0	15.1			44.0	34.0
18	1.5	0.5d	9.0	4.2	21.50~22.0	18.4	15.0	7.5
		0.75d	13.5	7.0			19.5	12.0
		1d	18.0	9.5			24.0	16.5
		1.5d	27.0	14.9			33.0	25.5
		2d	36.0	20.2			42.0	34.5
20	2.5	0.5d	10.0	2.7	23.70~24.20	20.6	20.0	7.5
		0.75d	15.0	4.5			25.0	12.5
		1d	20.0	6.3			30.0	17.5
		1.5d	30.0	10.0			40.0	27.5
		2d	40.0	13.7			50.0	37.5
20	2	0.5d	10.0	3.5	23.70~24.20	20.5	18.0	8.0
		0.75d	15.0	5.8			23.0	13.0
		1d	20.0	8.0			28.0	18.0
		1.5d	30.0	12.5			38.0	28.0
		2d	40.0	16.8			48.0	38.0
20	1.5	0.5d	10.0	4.9	23.70~24.20	20.4	16.0	8.5
		0.75d	15.0	7.9			21.0	13.5
		1d	20.0	10.7			26.0	18.5
		1.5d	30.0	16.7			36.0	28.5
		2d	40.0	22.4			46.0	38.5

 

Material Selection

Material	Steel Grade	Usage Temperature	Collapse strength at room temperature	Surface Treatment
Stainless steel	0Cr18Ni9	425ºC in short time 315ºC in long time	>1400Mpa	Natural surface Cadmium plating Silvering plating
	1C9r18Ni
	1Cr18Ni9Ti
Copper alloy	QSn6.5-4	300ºC in short time 250ºC in long time	>1000Mpa	Natural surface Cadmium plating
High-temperature alloy	Inconelx750	750ºC in short time 550ºC in long time	>1400Mpa	Natural surface Silvering plating

Assembly Diagram

Wire thread inserts are inserts developed to protect non-ferrous metal threaded holes and are suitable for threaded connections. Screw and tighten it into the threaded hole of one of the connected parts to form a standard internal thread, and the bolt (or screw) is then screwed into it. The commonly used material for wire thread inserts is stainless steel 304. The installation steps of wire thread inserts are simple and clear, including drilling, tapping, installation and tail removal.

Products Applications

Applications:
Automotive, Rail carriages, Metal construction, Aerospace industry, Agricultural machinery, Construction machinery, Electronic devices, Mechanical engineering, Wind power Solar, etc.

Package and Delivery Time

Package: Usually finished products will be put into plastic bags and outer with carton cases.
                 We will also reinforce the cases onto tthe pallet to avoid damage during transportation.
Delivery time: Stocked goods can be delivered out the same day we received the order.
                 Usually the delivery time is within 3-7 working days.

FAQ

Q1: Are you trading company or manufacturer?
A1: We are factory loacted in Xinxiang City, Henan Province of China.

Q2: What products do you offer?
A2: Our main products are Wire Threaded Inserts, Self-tapping Threaded Inserts, Keylocking Threaded Inserts and Tangless Threaded Inserts. Meanwhile, we also produce water filter, oil filter as well as accessories.

Q3: Do you provide samples? Is it free?
A3: Free samples can be supplied and the freight is paid by clients. This charge will be subtracted in your future order.

Q4: What is your payment terms?
A4: Payment<3000USD,100% payment in advance.
      Payment>3000USD,30%T/T in advance,the balance 70% paid after inspection and before shipment.

Q5: What's your after sales service?
A5:  Zoha's goods have one year guarantee time and during this time if there is any quality questions, free replacement service is supplied.

Q6:How do you ship the goods?
A6:According to your order quantity, it is usually by sea,air or express etc.

And we are looking forward to establishing a long-term cooperative relationship with you.

Company Profile

ZOHA MACHINERY Co., Ltd. is a professional supplier of thread inserts filter elements and metal products. Since its establishment, ZOHA has always adhered to the production and business philosophy of "quality first, customer first", and is committed to providing cost-effective fastener products and fastening system solutions for various industries.

Now, ZOHA′s main products include thread inserts and filters two series. Thread inserts are tangless thread inserts, wire inserts with tails, self tapping inserts, keylocking inserts and their supporting tools. Filters are sintered mesh filter element, corrugated filter element, wire-wound filter element, bag filters, etc. Products are widely used in fields such as communication electronics, aviation, aerospace, rail transit, ships, medical treatment, industrial equipment. Through the continuous efforts of ZOHA people, ZOHA products have been widely used in industries such as aviation, aerospace, high-speed rail, large locomotives, automotive manufacturing, power, machinery, as well as high-voltage switchgear, tobacco, etc.

ZOHA, to create a global brand of Chinese wire thread inserts and filter elements.