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Spacers, Standoffs & Binding Hardware › Binding Posts, Chicago Screws & Barrel Hardware

Chicago Screw Aged Brass Binding Post Screws M5X10 15 20 Flat Head Female Tube Post Portfolio Male Screw for Dog Collar

Updated 2026-11-04 · Markdown version

Model no. Flat Head Brass Plated Chicago Screws

US$0.0485,000–9,999 pieces

US$0.03610,000–49,999 pieces

US$0.02450,000+ pieces

MOQ 5,000 pieces · Final price confirmed in your quote

Material: Iron
Surface Finishing: Brass Plated
Customized: Customized
Surface Treatment: Brass Plated
Head Type: Flat Head
Diameter of Head: 10mm or as Requested
Diameter of Female Screw: 5mm or as Requested
Diameter of Male Screw: 4mm or as Requested

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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	Iron
Surface Finishing	Brass Plated
Model NO.	Flat Head Brass Plated Chicago Screws
Performance	Eco-Friendly
Customized	Customized
Product Name	Chicago Screws with Flat Head
Application	Leather Craft Belt Wallet Handbag Repairs Decorati
Measuring System	Metric and Inch
Surface Treatment	Brass Plated
Head Type	Flat Head
Diameter of Head	10mm or as Requested
Diameter of Female Screw	5mm or as Requested
Diameter of Male Screw	4mm or as Requested
Length of Female Screw	2mm to 150mm or as Requested
Length of Male Screw	3.5mm, 4mm, 7.5mm or as Requested
MOQ	5000 Sets
Customzation 1	Color
Customzation 2	Size
MOQ for Customzation	50,000 Sets
Transport Package	PVC Bag + Carton + Pallet
Specification	M2, M3, M4, M5, M8, M10
Origin	China
HS Code	7318120090
Production Capacity	5000 Tons
Package Size	33.50cm * 22.50cm * 15.50cm
Package Gross Weight	15.000kg
Diameter	M1, M2, M3, M4.
Smooth Rod	2mm, 3mm, 4mm 5mm.
Inner Thread	1mm, 2mm, 3mm, 4mm.
Thread size	1mm,2mm, 3mm 4mm.
Rod size	2mm, 3mm, 4mm, 5mm.
Female Screw	10mm, 15mm, 20mm
Male Screw	3.5mm, 4mm, 7.5mm
Color	Nickel Plating
Customized Color	50,000pcs.
Customized Material	50,000pcs.
Customized Size(length or diameter)	50,000pcs.
For Screws	Drywall Screws, Drywall Drill Screws, Chipboard Screws with or without Type 17 Point, Spax Saw Thread Screws, Self Tapping decking Screws, Concrete Screws, Self Tapping Screws, Self Drilling Screws, Self Screwing Screws, Roofing Screw, Wafer Truss Head screws, Pan Head Screws, Oval Head Screws, Hex head Screws, Flat Head Screws, CSK countersunk Head Screws, Machine Screws and other Special screws.
For Binding Post Screws	Book Ring, Chicago Screws/Book Binding Screws/Male Female Screws, Button Studs, Chicago Rivets.
Accepted Delivery Terms	FOB, CFR, CIF, EXW.
Accepted Payment Currency	USD, EUR, CNY.
Accepted Payment Type	T/T, L/C at sight, PayPal.
Language Spoken	English, Chinese, Spanish.
Category	Binding Posts, Chicago Screws & Barrel Hardware

Technical parameters

Chicago Screws, Binding Post Screws, Binding Post ConnectionsMale Female Screws, Metal Chicago Studs and Rivets
Material	Iron with Plating, Steel, Stainless steel, Aluminum, Brass, Copper, Plastic.
Application	Book, Leather, Bag, Belt, Box, Menu, Account Book, Notebook, DIY., ets.
Head Type	Flat head, Flat Chamfered head, Mushroom head, Round head.
Groove Type	Smooth, Slotted, Hexagon Socket, Phillips, Torx, Pozi, Square, Slotted and Phillips combined.
Inner Thread	With(Female Screw) or without inner thread(Hammer Top).
Surface Treatment	Zinc plated(White zinc, Yellow zinc, Environmental Black Zinc), Brass plated, Nickel plated, Antique Brass Plating, Gun Metal, Painting head, Hot-dip Galvanizing.
Packing	PVC bag + Carton + Pallet or as request.
Regular Mushroom Head Chicago Screw Specification	Length (mm)
Female Screw Smooth HeadDiameter: M1, M2, M3, M4.Smooth Rod: 2mm, 3mm, 4mm 5mm.Inner Thread:1mm, 2mm, 3mm, 4mm.Diameter of head:9.5mm to 10mm	2mm, 2.5mm, 3mm, 3.5mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 85mm, 90mm, 95mm, 100mm, 105mm, 110mm, 115mm, 120mm, 125mm, 130mm, 135mm, 140mm, 145mm, 150mm or as request.
Male Screw Slotted HeadDiameter: M1, M2, M3, M4. Thread size:1mm,2mm, 3mm 4mm.Diameter of head: 10mm.	3.5mm, 4mm, 7.5mm or as request.
Male Screw with ExtensionDiameter: M1, M2, M3, M4. Thread size: 1mm, 2mm, 3mm, 4mm.Rod size: 2mm, 3mm, 4mm, 5mm. Diameter of head 10mm.	8.5 (1mm extension)9.5 (2mm extension)10.5 (3mm extension)11.5 (4mm extension)12.5 (5mm extension)
Extension RodDiameter M4(Shank 5mm, Thread 4mm)	10mm, 15mm, 20mm, 25mm, 30mm, 50mm
Stock item (MOQ=5000pcs)	Female Screw: 10mm, 15mm, 20mmMale Screw: 3.5mm, 4mm, 7.5mmColor: Nickel Plating
Customized	Customized Color: 50,000pcs.Customized Material: 50,000pcs.Customized Size(length or diameter): 50,000pcs.
**The specifications above are all regular sizes for Chicago Screws with Mushroom Head and Flat Chamfered Head. Please contact us if you have a special request.

Description

Chicago Screw Aged Brass Binding Post Screws M5X10 15 20 Flat Head Female Tube Post Portfolio Male Screw for Dog Collar is part of our binding posts, chicago screws & barrel hardware range (Spacers, Standoffs & Binding Hardware).

Key details

Material: Iron
Diameter: M1, M2, M3, M4.
Thread size: 1mm,2mm, 3mm 4mm.
Head Type: Flat Head
Surface Treatment: Brass Plated
Application: Leather Craft Belt Wallet Handbag Repairs Decorati
Surface Finishing: Brass Plated
Performance: Eco-Friendly

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 5,000 pieces at US$0.024 – 0.048 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 Chicago Screw Aged Brass Binding Post Screws M5X10 15 20 Flat Head Female Tube Post Portfolio Male Screw for Dog Collar?

The listed minimum order is 5,000 pieces, at US$0.024 – 0.048 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$0.048 for 5,000–9,999 pieces; US$0.036 for 10,000–49,999 pieces; US$0.024 for 50,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Chicago Screw Aged Brass Binding Post Screws M5X10 15 20 Flat Head Female Tube Post Portfolio Male Screw for Dog Collar?

Material: Iron; Diameter: M1, M2, M3, M4.; Thread size: 1mm,2mm, 3mm 4mm.; Head Type: Flat Head; Surface Treatment: Brass Plated; Application: Leather Craft Belt Wallet Handbag Repairs Decorati. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, surface finishing, customized, surface treatment 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 binding posts, chicago screws & barrel hardware are available?

The Binding Posts, Chicago Screws & Barrel Hardware category lists 709 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/spacers-standoffs-binding-hardware/binding-posts-chicago-screws-barrel-hardware/

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

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US$0.024 – 0.048MOQ 5,000 piecesGet a quote WA