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Carbon Steel Fasteners

Carbon and medium-carbon steel fasteners across the full catalog: hex bolts in Grade 5 and Grade 8 (10B21, 45#), button and flat head socket screws, threaded rods, nuts and washers. UNC, UNF and metric threads with zinc plated, yellow zinc, black oxide, black zinc and Dacromet finishes. A cost-effective default for machinery, construction and general industrial assembly.

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Hex Head Bolt — Astm Hexagonal De Acero Inoxidable Pernos and Nuts Astm Galvanised Steel A325 Hex Bolts Hexagon Head Bolt /Hex Head Bolts
M2M2.5M3M4M5M6M8M10M14

Astm Hexagonal De Acero Inoxidable Pernos and Nuts Astm Galvanised Steel A325 Hex Bolts Hexagon Head Bolt /Hex Head Bolts

$0.00
Astm Hexagonal De Acero Inoxidable Pernos and Nuts Astm Galvanised Steel A325 Hex Bolts Hexagon Head Bolt /Hex Head Bolts Material: Steel Standards: ASTM A325 Finish / Coating: Galvanized
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Hex Weld Nut — Asme Unc Unf 8#-32 10#-32 1/4-20 3/8-16 5/16-18 1/2-13 7/16-20 Inch Natural Color Steel Hexagon Hex Spot Weld Nut Welded Nuts
#8-32#10-321/4-205/16-183/8-161/2-137/16-20

Asme Unc Unf Inch Natural Color Steel Hexagon Hex Spot Weld Nut Welded Nuts

$0.00
Asme Unc Unf Inch Natural Color Steel Hexagon Hex Spot Weld Nut Welded Nuts Material: Steel Thread Series: UNC, UNF Finish / Coating: Plain Features: Spot Weld
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Hex Flange Nut — ASME B 18.16.4 #10 #12 1/4-20 5/16-18 3/8-161/2-133/4-105/8-11 UNC UNF Hex Flange Nuts Steel Zinc Plated Flange Hex Hexagon Nut
#10#121/4-205/16-183/8-161/2-135/8-113/4-10

ASME B 18.16.4 3/8-161/2-133/4-105/8-11 UNC UNF Hex Flange Nuts Steel Zinc Plated Flange Hex Hexagon Nut

$0.00
ASME B 18.16.4 3/8-161/2-133/4-105/8-11 UNC UNF Hex Flange Nuts Steel Zinc Plated Flange Hex Hexagon Nut Material: Steel Standards: ASME B18.16.4 Thread Series: UNC, UNF Finish / Coating: Zinc Plated...
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Hex Head Bolt — ASME 18.2.1 UNC 1/4-20 3/8-16 1/2-13 3/4-10 7/8-97/16 Inch Black Zinc Black Oxide Steel Grade 8 Hexagon Head Bolt Hex Head Bolts
1/4-203/8-161/2-133/4-107/8-9

ASME 18.2.1 UNC 7/8-97/16 Inch Black Zinc Black Oxide Steel Grade 8 Hexagon Head Bolt Hex Head Bolts

$0.00
ASME 18.2.1 UNC 7/8-97/16 Inch Black Zinc Black Oxide Steel Grade 8 Hexagon Head Bolt Hex Head Bolts Material: Steel Grade / Class: Grade 8 Standards: ASME B18.2.1 Thread Series:...
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Hex Head Bolt — 1/2-13 UNC Grade 8 Hex Head Bolt Black Oxide B7 Steel 1.5 Inch Length for High Vibration
1/2-13

UNC Grade 8 Hex Head Bolt Black Oxide B7 Steel Length for High Vibration

$0.00
UNC Grade 8 Hex Head Bolt Black Oxide B7 Steel Length for High Vibration Material: Steel Grade / Class: Grade 8 Standards: ASME B18.2.1 Thread Series: UNC Finish / Coating:...
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Hex Head Bolt — ASME 18.2.1 UNF1/4-28 3/8-24 1/2-20 3/4-16 7/8-14 7/16inch Black Zinc Black Oxide Steel Grade 8 Hexagon Head Bolt Hex Head Bolts
1/4-283/8-241/2-203/4-167/8-14

ASME 18.2.1 UNF1/4-28 7/16inch Black Zinc Black Oxide Steel Grade 8 Hexagon Head Bolt Hex Head Bolts

$0.00
ASME 18.2.1 UNF1/4-28 7/16inch Black Zinc Black Oxide Steel Grade 8 Hexagon Head Bolt Hex Head Bolts Material: Steel Grade / Class: Grade 8 Standards: ASME B18.2.1 Thread Series: UNF...
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Hex Head Bolt — ANSI B18.2.1 Hex Head Bolt UNC Coarse Thread Grade 8 Black Zinc B7 Steel Sizes 1/2-13 to 7/8-9
1/2-13

B7 Steel Hex Head Bolt Grade 8 UNC ASME B18.2.1 Black Zinc

$0.00
B7 Steel Hex Head Bolt Grade 8 UNC ASME B18.2.1 Black Zinc Material: Steel Grade / Class: Grade 8 Standards: ASME B18.2.1 Thread Series: UNC Finish / Coating: Black Zinc...
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Hex Head Bolt — ASME 18.2.1 UNC 1/4-20*1/2 1 3/4 5/8 3-1/2 5 6 4 Inch Zinc-plated Steel Grade 5 Hexagon Head Bolt Hex Head Bolts
1/4-20

ASME 18.2.1 UNC 1/4-20*1/2 1 5 6 Zinc-plated Steel Grade 5 Hexagon Head Bolt Hex Head Bolts

$0.00
ASME 18.2.1 UNC 1/4-20*1/2 1 5 6 Zinc-plated Steel Grade 5 Hexagon Head Bolt Hex Head Bolts Material: Steel Grade / Class: Grade 5 Standards: ASME B18.2.1 Thread Series: UNC...
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Hex Head Bolt — Asme 18.2.1 Unc 1/4-20*1/2 1 3/4 5/8 3-1/2 5 6 4 Inch Black Zinc Black Oxide Steel Grade 5 Hexagon Head Bolt Hex Head Bolts
1/4-20

Asme 18.2.1 Unc 1/4-20*1/2 1 5 6 Black Zinc Black Oxide Steel Grade 5 Hexagon Head Bolt Hex Head Bolts

$0.00
Asme 18.2.1 Unc 1/4-20*1/2 1 5 6 Black Zinc Black Oxide Steel Grade 5 Hexagon Head Bolt Hex Head Bolts Material: Steel Grade / Class: Grade 5 Standards: ASME B18.2.1...
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Hex Head Bolt — Grade 8 Hex Head Bolt Multiple Materials B7/35CrMo/45# UNC 1/4-20 to 7/8-9 Black Oxide Heavy Duty
1/4-205/16-183/8-167/16-149/16-125/8-113/4-107/8-9

Grade 8 Hex Head Bolt Multiple Materials B7/35CrMo/45# UNC Black Oxide Heavy Duty

$0.00
Grade 8 Hex Head Bolt Multiple Materials B7/35CrMo/45# UNC Black Oxide Heavy Duty Material: 35CrMo Alloy Steel, 45# Carbon Steel Grade / Class: Grade 8 Thread Series: UNC Finish /...
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Split Lock Washer — Dacromet Corrosion-Resistant Fastener Hardware Hot-Dip Galvanized DIN Spring Washers Photovoltaic Bolts Plain Split Washers
M3M4M5M6M7M8M10M12M14

Carbon Steel Split Lock Washer Metric Dacromet

$0.00
Carbon Steel Split Lock Washer Metric Dacromet Material: Carbon Steel Thread Series: Metric Finish / Coating: Dacromet
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Hex Head Bolt — High Strength Grade 8 UNC Hexagon Head Bolt Black Zinc Plated Meet ASME/ANSI B18.2.1 Standard
1/4-205/16-183/8-167/16-149/16-125/8-113/4-107/8-91-8

High Strength Steel Hex Head Bolt Grade 8 UNC ASME B18.2.1 Black Zinc

$0.00
High Strength Steel Hex Head Bolt Grade 8 UNC ASME B18.2.1 Black Zinc Material: Steel Grade / Class: Grade 8 Standards: ASME B18.2.1 Thread Series: UNC Finish / Coating: Black...
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Hex Head Bolt — High Tensile Hex Bolt Grade 8 UNC 3/8-16 1/2-13 3/4-10 Black Oxide B7 for Pressure Vessel
3/8-161/2-133/4-10

High Tensile Hex Bolt Grade 8 UNC Black Oxide B7 for Pressure Vessel

$0.00
High Tensile Hex Bolt Grade 8 UNC Black Oxide B7 for Pressure Vessel Material: Steel Grade / Class: Grade 8 Thread Series: UNC Finish / Coating: Black Oxide
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Hex Head Bolt — ANSI B18.2.1 Hex Head Bolt UNF Fine Thread 1/4-28 3/8-24 1/2-20 7/16-20 3/4-16 7/8-14 Zinc Plated Grade 5
1/4-283/8-241/2-207/16-203/4-167/8-14

Carbon Steel Hex Head Bolt Grade 5 UNF ASME B18.2.1 Zinc Plated

$0.00
Carbon Steel Hex Head Bolt Grade 5 UNF ASME B18.2.1 Zinc Plated Material: Carbon Steel Grade / Class: Grade 5 Standards: ASME B18.2.1 Thread Series: UNF Finish / Coating: Zinc...
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Hex Head Bolt — ASME B18.2.1 UNC Hexagon Head Bolt Grade 8 Black Oxide 1/4-20 3/8-16 1/2-13 3/4-10 7/8-9 7/16-14
1/4-203/8-161/2-133/4-107/8-9

ASME B18.2.1 UNC Hexagon Head Bolt Grade 8 Black Oxide

$0.00
ASME B18.2.1 UNC Hexagon Head Bolt Grade 8 Black Oxide Material: Steel Grade / Class: Grade 8 Standards: ASME B18.2.1 Thread Series: UNC Finish / Coating: Black Oxide
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Hex Nut — Grade 8.8/10.9/12.9 Carbon Steel Hex Nuts Custom M12/M18 DIN934 M3/M4/M5/M6/M8/M12 Dacromet Hexagon Nuts Grade 8.8/10.9/12.9
M3M12M18

Grade 8.8/10.9/12.9 Carbon Steel Hex Nuts Custom M12/M18 DIN934 M3/M4/M5/M6/M8/M12 Dacromet Hexagon Nuts Grade 8.8/10.9/12.9

$0.00
Grade 8.8/10.9/12.9 Carbon Steel Hex Nuts Custom M12/M18 DIN934 M3/M4/M5/M6/M8/M12 Dacromet Hexagon Nuts Grade 8.8/10.9/12.9 Material: Carbon Steel Grade / Class: Grade 8.8 Standards: DIN 934 Thread Series: Metric Finish...
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Hex Head Bolt — M10 M20 M24 M30 Carbon Steel Hexagon Head Bolts ASTM A325 Grade 8.8 10.9 12.9 DIN933 DIN931 GB5782 Dacromet-New Generation Bolt
M10M20M24M30

Carbon Steel Hexagon Head Bolts ASTM A325 Grade 8.8 10.9 12.9 DIN933 DIN931 GB5782 Dacromet-New Generation Bolt

$0.00
Carbon Steel Hexagon Head Bolts ASTM A325 Grade 8.8 10.9 12.9 DIN933 DIN931 GB5782 Dacromet-New Generation Bolt Material: Carbon Steel Grade / Class: Grade 8.8 Standards: ASTM A325, DIN 933,...
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Hex Head Bolt — G8 YZ Hex Bolt UNC/UNF 1/4,3/8,1/2,5/8 C/S Half Thd ASME B18.2.1 Heavy Duty Yellow Zinc Carbon Steel ASME B18.2.1 1-1/2-6unc Unf
1/43/81/25/81-1/2-6

G8 YZ Hex Bolt UNC/UNF 1/4,3/8,1/2,5/8 C/S Half Thd ASME B18.2.1 Heavy Duty Yellow Zinc Carbon Steel ASME B18.2.1 1-1/2-6unc Unf

$0.00
G8 YZ Hex Bolt UNC/UNF 1/4,3/8,1/2,5/8 C/S Half Thd ASME B18.2.1 Heavy Duty Yellow Zinc Carbon Steel ASME B18.2.1 1-1/2-6unc Unf Material: Carbon Steel Grade / Class: Grade 8 Standards:...
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Hex Head Bolt — Industrial Grade 8 Hex Head Bolt UNC 1/4-20 to 7/8-9 Black Zinc Carbon Steel for Construction Equipment
1/4-207/8-9

Industrial Grade 8 Hex Head Bolt UNC Black Zinc Carbon Steel for Construction Equipment

$0.00
Industrial Grade 8 Hex Head Bolt UNC Black Zinc Carbon Steel for Construction Equipment Material: Carbon Steel Grade / Class: Grade 8 Standards: ASME B18.2.1 Thread Series: UNC Finish /...
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Hex Head Bolt — Black Oxide Hex Head Bolt UNC 1/4-20 3/8-16 1/2-13 3/4-10 7/8-9 Grade 8 Carbon Steel ASME B18.2.1
1/4-203/8-161/2-133/4-107/8-9

Black Oxide Hex Head Bolt UNC Grade 8 Carbon Steel ASME B18.2.1

$0.00
Black Oxide Hex Head Bolt UNC Grade 8 Carbon Steel ASME B18.2.1 Material: Carbon Steel Grade / Class: Grade 8 Standards: ASME B18.2.1 Thread Series: UNC Finish / Coating: Black...
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Hex Head Bolt — G8 YelZn Hex Bolt UNC 1/4-20 3/8-16 1/2-13 5/8-11 B7 C/Steel HalfThd ASME Heavy amse 18.2.1
1/4-203/8-161/2-135/8-11

Carbon Steel Hex Head Bolt Grade 8 UNC ASME B18.2.1 Yellow Zinc

$0.00
Carbon Steel Hex Head Bolt Grade 8 UNC ASME B18.2.1 Yellow Zinc Material: Carbon Steel Grade / Class: Grade 8 Standards: ASME B18.2.1 Thread Series: UNC Finish / Coating: Yellow...
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Hex Head Bolt — Grade8 YelZn Hex Bolt UNF 3/8-24 1/2-20 5/8-18 C.Steel Half Thread ASME B18.2.1 Industrial Asme 18.2.1 1-1/2-6 1-1/4-8 Unc Unf
3/8-241/2-205/8-181-1/2-61-1/4-8

Grade8 YelZn Hex Bolt UNF C.Steel Half Thread ASME B18.2.1 Industrial Asme 18.2.1 Unc Unf

$0.00
Grade8 YelZn Hex Bolt UNF C.Steel Half Thread ASME B18.2.1 Industrial Asme 18.2.1 Unc Unf Material: Carbon Steel Grade / Class: Grade 8 Standards: ASME B18.2.1 Thread Series: UNC, UNF...
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Hex Head Bolt — Grade 8 Yellow Zinc Plated Hex Head Bolt UNC Coarse Thread 1/4-20 3/8-16 1/2-13 5/8-11 Carbon Steel ASME B18.2.1
1/4-203/8-161/2-135/8-11

Grade 8 Yellow Zinc Plated Hex Head Bolt UNC Coarse Thread Carbon Steel ASME B18.2.1

$0.00
Grade 8 Yellow Zinc Plated Hex Head Bolt UNC Coarse Thread Carbon Steel ASME B18.2.1 Material: Carbon Steel Grade / Class: Grade 8 Standards: ASME B18.2.1 Thread Series: UNC Finish...
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Hex Head Bolt — Yellow Zinc G8 Hex Bolt UNC 1/4-20 5/16-18 3/8-16 1/2-13 5/8-11 C.Steel 1/2Thd ASME Carbon Steel ASME B18.2.1
1/4-205/16-183/8-161/2-135/8-11

Yellow Zinc G8 Hex Bolt UNC C.Steel 1/2Thd ASME Carbon Steel ASME B18.2.1

$0.00
Yellow Zinc G8 Hex Bolt UNC C.Steel 1/2Thd ASME Carbon Steel ASME B18.2.1 Material: Carbon Steel Grade / Class: Grade 8 Standards: ASME B18.2.1 Thread Series: UNC Finish / Coating:...
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Buying Guide

Common Questions

What information do you need to quote this series?

Share the standard, thread size, length, material, grade, finish and quantity. For non-standard parts, a drawing or sample helps us confirm production details faster.

Can you make sizes or materials not listed here?

Yes. We manufacture to drawing and to sample. Send your specification through the RFQ form and we will confirm feasibility, MOQ and lead time.

What inspection and material documents can you provide?

Material test certificates, dimensional inspection reports and coating reports are available on request, depending on the material and finish of your order.

What is the MOQ, and can I get samples first?

MOQ depends on size, material and finish — standard catalog sizes start lower, and custom parts are quoted per drawing. Samples are available for most standard items; mention sampling when you send the RFQ and we will confirm.

How long does production and delivery take?

Lead time is confirmed per order with your quotation. Coated and custom parts need additional production and surface-treatment time. Share your target delivery date in the RFQ and we will confirm whether we can meet it before you commit.

Can't find the exact spec?

We manufacture standard and custom fasteners to order. Tell us the size, material, grade, finish and quantity — or send your drawing — and we will confirm MOQ and lead time.

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