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Bolts › Hex-Head Bolts

Professional Supplier Hex Head Bolt Unc Black-Oxide Hexagonal Bolt

Updated 2026-11-04 · Markdown version

Model no. M6-M150

US$840.00 – 1,440 / ton

MOQ 1 ton · Final price confirmed in your quote

Material: Carbon Steel
Head Style: Hexagonal
Standard: DIN, ANSI, GB, JIS
Grade: 8.8
Finish: Blue-White Zinc Plated
Materials: Carbon Steel
Diameter: M6-M120
Length: ≤800mm

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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
Type	Hexagon Head
Model NO.	M6-M150
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, ANSI, GB, JIS
Grade	8.8
Application	Machinery, Chemical Industry, Building
Finish	Blue-White Zinc Plated
Samples	Free
OEM	Accepted
Quality	High Quality
Materials	Carbon Steel
Transport Package	Small Box. Carton or According to Customers' Req
Specification	m6-m30
Origin	China
HS Code	7318150000
Production Capacity	1500ton/Month
Diameter	M6-M120
Length	≤800mm
Thread	Metric
Packing	bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Equipments	Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detecter,Spectrometer
Supply Ability	2000 tons per month
MinimumOrder	according to customer demand
Trade Term	FOB/CIF/CFR/CNF/EXW/DDU/DDP
Payment	T/T, L/C, D/A , D/P ,West union,Paypal.etc
Market	Europe/South&north Amrica/East&South east Asia/Middle East/Australia and ect.
Professional	More than 10 years experience in fasteners industry Our Main market is North&South America and proficient in DIN/ASME/ASTM/IFI standard.
Our advantage	One-stop shopping; High quality; Competitive price; Timely delivery; Technical support; Supply Material and Test Reports; Samples for free
Notice	Please lets know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us
Category	Hex-Head Bolts

Technical parameters

Standard:	DIN933 BOLTS
Diameter:	M6-M120
Length:	≤800mm
Material:	Carbon Steel, Alloy Steel, Stainless Steel, Brass
Grade:	Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9;A2-70,A4-70,A4-80
Thread:	Metric
Finish:	Plain,Black oxide, Zinc Plated(Clear/Blue/Yellow/Black), H.D.G, Nickel, Chrome,PTFE,Dacromet,Geomet,Magni,Zinc Nickel,Zinteck.
Packing:	bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Application:	Structural Steel; Metal Buliding; Oil&Gas;Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating
Equipments:	Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detecter,Spectrometer
Supply Ability:	2000 tons per month
MinimumOrder:	according to customer demand
Trade Term:	FOB/CIF/CFR/CNF/EXW/DDU/DDP
Payment:	T/T, L/C, D/A , D/P ,West union,Paypal.etc
Market:	Europe/South&north Amrica/East&South east Asia/Middle East/Australia and ect.
Professional:	More than 10 years experience in fasteners industry Our Main market is North&South America and proficient in DIN/ASME/ASTM/IFI standard.
Our advantage:	One-stop shopping; High quality; Competitive price; Timely delivery; Technical support; Supply Material and Test Reports; Samples for free
Notice:	Please lets know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us

M1.6

M2.5

(M3.5)

(M7)

M10

M12

(M14)

M16

max
P	Pitch
a	max
c	min
da	max
dw	Grade A	min
Grade B	min
e	Grade A	min
Grade B	min
k	Nominal Size
Grade A	min
max
Grade B	min
max
k1	min
r	min
s	max=nominal size
Grade A	min
Grade B	min

0.35	0.4	0.45	0.5	0.6	0.7	0.8	1	1	1.25	1.5	1.75	2	2
1.05	1.2	1.35	1.5	1.8	2.1	2.4	3	3	3.75	4.5	5.25	6	6
0.1	0.1	0.1	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.2
0.25	0.25	0.25	0.4	0.4	0.4	0.5	0.5	0.5	0.6	0.6	0.6	0.6	0.8
2	2.6	3.1	3.6	4.1	4.7	5.7	6.8	7.8	9.2	11.2	13.7	15.7	17.7
2.4	3.2	4.1	4.6	5.1	5.9	6.9	8.9	9.6	11.6	15.6	17.4	20.5	22.5
-	-	-	-	-	5.7	6.7	8.7	9.4	11.4	15.4	17.2	20.1	22
3.41	4.32	5.45	6.01	6.58	7.66	8.79	11.05	12.12	14.38	18.9	21.1	24.49	26.75
-	-	-	-	-	7.5	8.63	10.89	11.94	14.2	18.72	20.88	23.91	26.17
1.1	1.4	1.7	2	2.4	2.8	3.5	4	4.8	5.3	6.4	7.5	8.8	10
0.98	1.28	1.58	1.88	2.28	2.68	3.35	3.85	4.65	5.15	6.22	7.32	8.62	9.82
1.22	1.52	1.82	2.12	2.52	2.92	3.65	4.15	4.95	5.45	6.56	7.68	8.98	10.18
-	-	-	-	-	2.6	3.26	3.76	4.56	5.06	6.11	7.21	8.51	9.71
-	-	-	-	-	3	3.74	4.24	5.04	5.54	6.69	7.79	9.09	10.29
0.7	0.9	1.1	1.3	1.6	1.9	2.28	2.63	3.19	3.54	4.28	5.05	5.96	6.8
0.1	0.1	0.1	0.1	0.1	0.2	0.2	0.25	0.25	0.4	0.4	0.6	0.6	0.6
3.2	4	5	5.5	6	7	8	10	11	13	17	19	22	24
3.02	3.82	4.82	5.32	5.82	6.78	7.78	9.78	10.73	12.73	16.73	18.67	21.67	23.67
-	-	-	-	-	6.64	7.64	9.64	10.57	12.57	16.57	18.48	21.16	23.16

Weight of per 1000 steel products(≈kg)

(M18)

M20

(M22)

M24

(M27)

M30

(M33)

M36

(M39)

M42

(M45)

M48

(M52)

max
P	Pitch
a	max
c	min
da	max
dw	Grade A	min
Grade B	min
e	Grade A	min
Grade B	min
k	Nominal Size
Grade A	min
max
Grade B	min
max
k1	min
r	min
s	max=nominal size
Grade A	min
Grade B	min

2.5	2.5	2.5	3	3	3.5	3.5	4	4	4.5	4.5	5	5
7.5	7.5	7.5	9	9	10.5	10.5	12	12	13.5	13.5	15	15
0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.3	0.3	0.3	0.3	0.3
0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	1	1	1	1	1
20.2	22.4	24.4	26.4	30.4	33.4	36.4	39.4	42.4	45.6	48.6	52.6	56.6
25.3	28.2	30	33.6	-	-	-	-	-	-	-	-	-
24.8	27.7	29.5	33.2	38	42.7	46.5	51.1	55.9	59.9	64.7	69.4	74.2
30.14	33.53	35.72	39.98	-	-	-	-	-	-	-	-	-
29.56	32.95	35.03	39.55	45.2	50.85	55.37	60.79	66.44	71.3	76.95	82.6	88.25
11.5	12.5	14	15	17	18.7	21	22.5	25	26	28	30	33
11.28	12.28	13.78	14.78	-	-	-	-	-	-	-	-	-
11.72	12.72	14.22	15.22	-	-	-	-	-	-	-	-	-
11.15	12.15	13.65	14.65	16.65	18.28	20.58	22.08	24.58	25.58	27.58	29.58	32.5
11.85	12.85	14.35	15.35	17.35	19.12	21.42	22.92	25.42	26.42	28.42	30.42	33.5
7.8	8.5	9.6	10.3	11.7	12.8	14.4	15.5	17.2	17.9	19.3	20.9	22.8
0.6	0.8	0.8	0.8	1	1	1	1	1	1.2	1.2	1.6	1.6
27	30	32	36	41	46	50	55	60	65	70	75	80
26.67	29.67	31.61	35.38	-	-	-	-	-	-	-	-	-
26.15	29.16	31	35	40	45	49	53.8	58.8	63.1	68.1	73.1	78.1

Weight of per 1000 steel products(≈kg)

,This standard specifies requirements for M1,6 to M52 hexagon head screws threaded up to the head, assigned to product grade A, for sizes up to M24 and lengths not exceeding 10d or 150 mm, and to product grade B for sizes greater than M24 or lengths exceeding 10 d or 150 mm. ,For thread sizes not greater than M4,also permitted without chamfered end

FAQ

Threaded rod, Hex bolt, Hex Nut, Flat washer, Screws, Anchors, Blind rivet, etc

It depends on sizes, Usually 200 kgs to 1000 kgs.

From 7 days to 75 days, depends on your sizes and quantity.

T/T, LC, DP, etc.

Due to a lot of kinds of fasteners, we quote prices accoridng to sizes, quantity, packing only.

Sure, free sampls will be provided

Description

Professional Supplier Hex Head Bolt Unc Black-Oxide Hexagonal Bolt is part of our hex-head bolts range (Bolts).

Key details

Type: Hexagon Head
Standard: DIN, ANSI, GB, JIS
Material: Carbon Steel
Grade: 8.8
Diameter: M6-M120
Thread: Metric
Length: ≤800mm
Head Style: Hexagonal

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 ton at US$840.00 – 1,440 per ton. 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 Professional Supplier Hex Head Bolt Unc Black-Oxide Hexagonal Bolt?

The listed minimum order is 1 ton, at US$840.00 – 1,440 per ton. 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 Professional Supplier Hex Head Bolt Unc Black-Oxide Hexagonal Bolt?

Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS; Material: Carbon Steel; Grade: 8.8; Diameter: M6-M120; Thread: Metric. 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 hex-head bolts are available?

The Hex-Head Bolts category lists 8,449 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/bolts/hex-head-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 →

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US$840.00 – 1,440MOQ 1 tonGet a quote WA