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Bolts › Eye Bolts & Lifting Eye Fasteners

Antique Brass SS304 Sinistrad Automatic Flush Bolt for Public Exit

Updated 2026-11-03 · Markdown version

Model no. DDDB023 A

US$2.40500–1,999 pieces

US$1.442,000+ pieces

MOQ 500 pieces · Final price confirmed in your quote

Material: Stainless Steel
Width: 20mm
Pin Diameter: 12mm
Finish: Antique Brass
Color: Antique Brass
Package Size: 25.00cm * 15.00cm * 15.00cm

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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
Type	Spring Bolt
Material	Stainless Steel
Model NO.	DDDB023 A
Thickness	40mm
Width	20mm
Pin Diameter	12mm
Finish	Antique Brass
Usage	Door
Color	Antique Brass
Process	Extruding
Transport Package	White Box or Color Box
Specification	SGS
Origin	Jiangmen Guangdong, China
HS Code	83021000
Production Capacity	300, 000 Sets/Month
Package Size	25.00cm * 15.00cm * 15.00cm
Package Gross Weight	2.000kg
More door hardware items include	1. Stainless Steel Door Hinge- UL Listed & Fire Rated & CE Certificate
Category	Eye Bolts & Lifting Eye Fasteners

Technical parameters

Product name	Antique Brass SS304 Sinistrad Automatic Flush Bolt for Public Exit
Product Model	DDDB023
Material	Stainless Steel
Finish	SSS, PSS, GP, AB, AC, MB
Suitable for	Wooden door, Metal door, steel door etc.

MOQ	500 PCS
Package	1 PC / polybag / inner box in Standard export carton
Sample time	3-5 working days
Production lead time	20-25 days
Shipping Port	Jiangmen , China / Shenzhen , China .

Description

Antique Brass SS304 Sinistrad Automatic Flush Bolt for Public Exit is part of our eye bolts & lifting eye fasteners range (Bolts).

Key details

Type: Spring Bolt
Material: Stainless Steel
Finish: Antique Brass
Thickness: 40mm
Width: 20mm
Pin Diameter: 12mm
Usage: Door
Color: Antique Brass

Available configurations include material, width, pin diameter, finish and color. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 500 pieces at US$1.44 – 2.40 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 Antique Brass SS304 Sinistrad Automatic Flush Bolt for Public Exit?

The listed minimum order is 500 pieces, at US$1.44 – 2.40 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$2.40 for 500–1,999 pieces; US$1.44 for 2,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Antique Brass SS304 Sinistrad Automatic Flush Bolt for Public Exit?

Type: Spring Bolt; Material: Stainless Steel; Finish: Antique Brass; Thickness: 40mm; Width: 20mm; Pin Diameter: 12mm. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, width, pin diameter, finish and color. 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 eye bolts & lifting eye fasteners are available?

The Eye Bolts & Lifting Eye Fasteners category lists 3,138 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/bolts/eye-bolts-lifting-eye-fasteners/

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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Request a quote for this product

US$1.44 – 2.40MOQ 500 piecesGet a quote WA