Standard & made-to-drawing parts
Checked before shipping
Air, sea & express delivery

Bolts › Flange Bolts

Full Thread Half Thread Blue White Zinc Plated Flange Bolt

Updated 2026-11-03 · Markdown version

Model no. DIN6921

US$0.024 / piece

MOQ 1,000 pieces · Final price confirmed in your quote

Material: Carbon Steel
Head Style: Hexagonal
Standard: DIN
Grade: 8.8
Finish: Blue-White Zinc Plated
Size: M3-M30
Thread: Unc,Unf
Package Size: 25.00cm * 18.00cm * 18.00cm

Get a quote WhatsApp

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
Type	Hexagon Head
Model NO.	DIN6921
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN
Grade	8.8
Application	Machinery, Chemical Industry, Environmental, Building
Finish	Blue-White Zinc Plated
Size	M3-M30
Samples	Free Samples When Is in Stock
Drawing	Accept
Quality	100% After Inspection
Thread	Unc,Unf
Delivery Time	Base on The Quantity
Transport Package	Plastic Bags and Cartons
Specification	280250180
Origin	China
HS Code	7318160000
Production Capacity	3000000 Pieces/ Month
Package Size	25.00cm * 18.00cm * 18.00cm
Package Gross Weight	10.000kg
Lead Time	7 days (1 - 1000 Pieces) To be negotiated ( > 1000 Pieces)
Category	Flange Bolts

Technical parameters

Standard	DIN6921
Diameter	M3-M30
sample service	Free sample but freight cost is paid by customers(when sample is in stock) sample fee(when samples need to be customized)
Material	carbon steel, alloy steel
MOQ	1000
Surface treatment	black oxide, zinc plated,HDG, etc
Package	Plastic bag, Boxes and cartons, Pallets, Customized
Price terms	EXW, FOB, CIF, etc.
Payment terms	T/T, Paypal, L/C, Western union, etc.
Certifications	ISO 9001
Note	Free Samples could be provided for standard fastener

Screw Thread d	M5	M6	M8	M10	M12	M14	M16	M20
P	Pitch	Coarse thread	0.8	1	1.25	1.5	1.75	2	2	2.5
Fine thread-1	/	/	1	1.25	1.5	1.5	1.5	1.5
Fine thread-2	/	/	/	1	1.25	/	/	/
b	L≤125	16	18	22	26	30	34	38	46
125	/	/	28	32	36	40	44	52
L>200	/	/	/	/	/	/	57	65
c	min	1	1.1	1.2	1.5	1.8	2.1	2.4	3
da	Form A	max	5.7	6.8	9.2	11.2	13.7	15.7	17.7	22.4
Form B	max	6.2	7.4	10	12.6	15.2	17.7	20.7	25.7
dc	max	11.8	14.2	18	22.3	26.6	30.5	35	43
ds	max	5	6	8	10	12	14	16	20
min	4.82	5.82	7.78	9.78	11.73	13.73	15.73	19.67
du	max	5.5	6.6	9	11	13.5	15.5	17.5	22
dw	min	9.8	12.2	15.8	19.6	23.8	27.6	31.9	39.9
e	min	8.71	10.95	14.26	16.5	17.62	19.86	23.15	29.87
f	max	1.4	2	2	2	3	3	3	4
k	max	5.4	6.6	8.1	9.2	11.5	12.8	14.4	17.1
k1	min	2	2.5	3.2	3.6	4.6	5.1	5.8	6.8
r1	min	0.25	0.4	0.4	0.4	0.6	0.6	0.6	0.8
r2	max	0.3	0.4	0.5	0.6	0.7	0.9	1	1.2
r3	min	0.1	0.1	0.15	0.2	0.25	0.3	0.35	0.4
r4	≈	3	3.4	4.3	4.3	6.4	6.4	6.4	8.5
s	max=nominal size	8	10	13	15	16	18	21	27
min	7.78	9.78	12.73	14.73	15.73	17.73	20.67	26.67

Description

Full Thread Half Thread Blue White Zinc Plated Flange Bolt is part of our flange bolts range (Bolts).

Key details

Type: Hexagon Head
Standard: DIN
Material: Carbon Steel
Grade: 8.8
Size: M3-M30
Thread: Unc,Unf
Head Style: Hexagonal
Finish: Blue-White Zinc Plated

Available configurations include material, head style, standard, grade and finish. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 1,000 pieces at US$0.024 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 Full Thread Half Thread Blue White Zinc Plated Flange Bolt?

The listed minimum order is 1,000 pieces, at US$0.024 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

What are the main specifications of Full Thread Half Thread Blue White Zinc Plated Flange Bolt?

Type: Hexagon Head; Standard: DIN; Material: Carbon Steel; Grade: 8.8; Size: M3-M30; Thread: Unc,Unf. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, head style, standard, grade and finish. 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 flange bolts are available?

The Flange Bolts category lists 2,404 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/bolts/flange-bolts/

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$0.024MOQ 1,000 piecesGet a quote WA