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M4X20 A2 Stainless Screw with Cone Point Socket Set Screw

Q: What is the minimum order quantity (MOQ) for M4X20 A2 Stainless Screw with Cone Point Socket Set Screw?

The listed minimum order is 10,000 pieces, at US$0.012 – 0.036 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

Q: How does the price change with quantity?

Volume pricing: US$0.036 for 10,000–49,999 pieces; US$0.024 for 50,000–99,999 pieces; US$0.012 for 100,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

Q: What are the main specifications of M4X20 A2 Stainless Screw with Cone Point Socket Set Screw?

Material: Carbon Steel/Stainless Steel/Alloy Steel; Size: Customized; Diameter: 3mm / 4mm / 5mm / 6mm / 8mm / Custom; Thread: Fine Thread, Coarse Thread; Length: 10mm / 20mm / 30mm / 50mm / Custom; Head Type: Pan, Truss, Flat, Round, Hex, Cheese, Binding, Csk. The full specification table and any technical parameter tables are listed on this page.

Q: Can this product be customized (OEM)?

Listed configurations include material, shape of head, surface finishing, customized and head type. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

Q: What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Q: Which other set, grub & socket set screws are available?

The Set, Grub & Socket Set Screws category lists 1,721 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/set-grub-socket-set-screws/

Updated 2026-11-04 · Markdown version

US$0.03610,000–49,999 pieces

US$0.02450,000–99,999 pieces

US$0.012100,000+ pieces

MOQ 10,000 pieces · Final price confirmed in your quote

Material: Carbon Steel/Stainless Steel/Alloy Steel
Shape of Head: Round
Surface Finishing: Black/Zinc,Yzp,Bzp,HDG,Plain
Customized: Customized
Head Type: Pan, Truss, Flat, Round, Hex, Cheese, Binding, Csk
Thread: Fine Thread, Coarse Thread
Size: Customized
Thread Type: Coarse Thread/Fine Thread/Twin-Thread

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Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

Customization	Available
Material	Carbon Steel/Stainless Steel/Alloy Steel
Shape of Head	Round
Surface Finishing	Black/Zinc,Yzp,Bzp,HDG,Plain
Certification	ISO, GS, CE
Customized	Customized
Delivery	5-10 Days in Stock, 10-30 Days Not in Stock
Head Type	Pan, Truss, Flat, Round, Hex, Cheese, Binding, Csk
Thread	Fine Thread, Coarse Thread
Size	Customized
MOQ	1tons
Thread Type	Coarse Thread/Fine Thread/Twin-Thread
Drive Type	Phillips Drive/Slotted Drive/Torx Drive/Pozidriv D
Length	10mm / 20mm / 30mm / 50mm / Custom
Diameter	3mm / 4mm / 5mm / 6mm / 8mm / Custom
Thread Length	Custom
Surface Finish	Zinc Plated / Black Oxide / Nickel-Plated / Passiv
Application	Wood / Metal / Plastic / Sheet Metal / Electrical
Transport Package	Plastic Bags+Cartons+Pallets, or Customlized
Specification	as Request
Origin	Hebei, China
HS Code	731814
Production Capacity	50 Million Tons/Month
Package Size	24.40cm * 11.00cm * 6.00cm
Package Gross Weight	30.000kg
High-strength & high-load applications	engines, heavy machinery, structural bolts.
Lightweight applications	aerospace, racing, drones, bicycles.
Longshi Advantage	8-dimensional customization (material, specification, surface treatment, etc.), with 3D design drawings + process plans.
Stockout rate <0.1% (peers	10+%), with real-time inventory monitoring. For extreme stockouts, free upgraded alternatives are provided (peers often leave clients waiting indefinitely).
Category	Set, Grub & Socket Set Screws

Technical parameters

Thread Dimensionsd	M1.2	M1.6	M2	M2.5	M3	(M3.5)	M4	M5	M6
Pitch (P)	0.25	0.35	0.4	0.45	0.5	0.6	0.7	0.8	1
d1 (Maximum Value)	0.12	0.16	0.2	0.25	0.3	0.35	0.4	0.5	1.5
n (Nominal)	0.2	0.25	0.25	0.4	0.4	0.5	0.6	0.8	1
n (Minimum Value)	0.26	0.31	0.31	0.46	0.46	0.56	0.66	0.86	1.06
n (Maximum Value)	0.4	0.45	0.45	0.6	0.6	0.7	0.8	1	1.2
t (Minimum Value)	0.4	0.56	0.64	0.72	0.8	0.96	1.12	1.28	1.6
t (Maximum Value)	0.52	0.74	0.84	0.95	1.05	1.21	1.42	1.63	2

Material	Corrosion Resistance	Temperature Resistance	Magnetic	Applications
Carbon Steel	Low	-20°C to 300°C(-4°F to 572°F)	Yes	General purpose, construction, indoor machinery, automotive.
Alloy Steel	Low to Medium	-50°C to 450°C(-58°F to 842°F)	Yes	High-strength & high-load applications: engines, heavy machinery, structural bolts.
SS304 Stainless Steel	Good	-196°C to 800°C(-321°F to 1472°F)	No	Food processing, kitchen equipment, chemical equipment, architectural fixtures.
SS316 Stainless Steel	Excellent	-196°C to 800°C(-321°F to 1472°F)	No	Marine environments, chemical processing, medical implants, coastal structures.
Brass	Good	-20°C to 200°C(-4°F to 392°F)	No	Electrical applications, plumbing and pipe fittings, decorative purposes.
Aluminum Alloy	Good	-200°C to 150°C(-328°F to 302°F)	No	Lightweight applications: aerospace, racing, drones, bicycles.
Titanium Alloy	Excellent	-200°C to 600°C(-328°F to 1112°F)	No	High-end aerospace, medical implants, performance racing, chemical industry.
Nylon (Plastic)	Excellent	-40°C to 85°C(-40°F to 185°F)	No	Electrical insulation, lightweight fastening, chemical resistance, electronics.

Items	Hex Flange Nut/ Hex Nut/Nylon Insert Nut/Rivet Nut/Wing Nut/Spring Nut/Square Nut......
Material	Stainless Steel A2 A4 A8/Carbon Steel/Brass/Alloy Steel
Grade	A2-70 A2-80 A4-70 A4-80 A8; Class 4/5/6/8/10/12;Grade 2/5/8
Standard	DIN;ISO;ASME;GB;BS;IFI;GOST....and customized
Surface	Black;Zinc Plate;Dacromet;Ruspert;Magni;Zinc-Nickel;Plain;HDG
Package	Box;Plastic Bag;Plastic Bucket;Blister Box;Pallet Carton...
Sample	Available
EU CBAM	Available
Items	U Bolt/Hex Flange Bolt/ Hex bolt/Hammer Bolt/Socket Bolt/Carriage Bolt/Hanger Bolt/Wing Bolt/Eye bolt/Weld bolt/Clinch Bolt/ Thread Bar/Thread Rod
Material	Stainless Steel A2 A4 A8/Carbon Steel/Brass/Alloy Steel
Grade	A2-70 A2-80 A4-70 A4-80 A8; Class 4.6/4.8/5.6/6.8/8.8/10.9/12.9;Grade 2/5/8
Standard	DIN;ISO;ASME;GB;BS;IFI;GOST....and customized
Surface	Black;Zinc Plate;Dacromet;Ruspert;Magni;Zinc-Nickel;Plain;HDG
Package	Box;Plastic Bag;Plastic Bucket;Blister Box;Pallet Carton...
Sample	Available
EU CBAM	Available
Items	Chipboard Screw/ Wood Scew/ Roofing Screw/Decking Screw/ Facade Screw/Drywall Screw/Set Screw/Drilling Screw/ Euro Screw/ Window Screw/ Bimetal
Material	Stainless Steel C1 A2 A4 /Carbon Steel/Brass/Alloy Steel
Grade	A2-70 A2-80 A4-70 A4-80
Standard	DIN;ISO;ASME;GB;BS;IFI;GOST....and customized
Surface	Black;Zinc Plate;Dacromet;Ruspert;Magni;Zinc-Nickel;Plain;HDG
Package	Box;Plastic Bag;Plastic Bucket;Blister Box;Pallet Carton...
Sample	Available
EU CBAM	Available

Description

M4X20 A2 Stainless Screw with Cone Point Socket Set Screw is part of our set, grub & socket set screws range (Screws).

Key details

Material: Carbon Steel/Stainless Steel/Alloy Steel
Size: Customized
Diameter: 3mm / 4mm / 5mm / 6mm / 8mm / Custom
Thread: Fine Thread, Coarse Thread
Length: 10mm / 20mm / 30mm / 50mm / Custom
Head Type: Pan, Truss, Flat, Round, Hex, Cheese, Binding, Csk
Application: Wood / Metal / Plastic / Sheet Metal / Electrical
Certification: ISO, GS, CE

Available configurations include material, shape of head, surface finishing, customized and head type. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 10,000 pieces at US$0.012 – 0.036 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for M4X20 A2 Stainless Screw with Cone Point Socket Set Screw?

The listed minimum order is 10,000 pieces, at US$0.012 – 0.036 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

How does the price change with quantity?

Volume pricing: US$0.036 for 10,000–49,999 pieces; US$0.024 for 50,000–99,999 pieces; US$0.012 for 100,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of M4X20 A2 Stainless Screw with Cone Point Socket Set Screw?

Material: Carbon Steel/Stainless Steel/Alloy Steel; Size: Customized; Diameter: 3mm / 4mm / 5mm / 6mm / 8mm / Custom; Thread: Fine Thread, Coarse Thread; Length: 10mm / 20mm / 30mm / 50mm / Custom; Head Type: Pan, Truss, Flat, Round, Hex, Cheese, Binding, Csk. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, shape of head, surface finishing, customized and head type. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other set, grub & socket set screws are available?

The Set, Grub & Socket Set Screws category lists 1,721 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/set-grub-socket-set-screws/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

DIN, ISO, ASTM, ANSI, JIS and GB standard parts
Non-standard parts made to your drawing
Dimensions, thread gauges and plating checked before packing
Export cartons and pallets, consolidated mixed orders
Samples available for approval before mass production

More about us → · Request a sample or custom quote →

Request a quote for this product

US$0.012 – 0.036MOQ 10,000 piecesGet a quote WA