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Alloy Steel Fasteners

High-strength alloy steel fasteners in 35CrMo and 40CrMo: socket head cap screws to Grade 12.9, button and flat head screws to Grade 10.9, hex bolts to Grade 8, and ASTM A193 B7 threaded rods and stud bolts. Finishes include black oxide, zinc plated, yellow zinc, black zinc and Dacromet. The range targets machinery, automotive and structural joints where carbon steel grades are insufficient.

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Threaded Rod — UNF Fine Threaded Rod 1/2-20 5/8-18 3/4-16 1-12 1-1/4-12 High Strength Alloy Steel Black Full Thread Right Hand
1/2-205/8-183/4-161-121-1/4-12

UNF Fine Threaded Rod High Strength Alloy Steel Black Full Thread Right Hand

$0.00
UNF Fine Threaded Rod High Strength Alloy Steel Black Full Thread Right Hand Material: Alloy Steel Thread Series: UNF Finish / Coating: Black Oxide Features: Full Thread
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Threaded Rod — 1-1/4-7 Threaded Rod B7 Alloy Steel Full Threaded Zinc Plated ASME B18.31.1 Stud Bolt
1-1/4-7

Threaded Rod B7 Alloy Steel Full Threaded Zinc Plated ASME B18.31.1 Stud Bolt

$0.00
Threaded Rod B7 Alloy Steel Full Threaded Zinc Plated ASME B18.31.1 Stud Bolt Material: Alloy Steel Grade / Class: ASTM A193 B7 Standards: ASME B18.31.1 Thread Series: UNC Finish /...
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Threaded Rod — ASTM A193 Grade B7 Threaded Rod UNC 3/8-16 1/2-13 5/8-11 3/4-10 1-8 Full Threaded Zinc Plated Alloy Steel Stud Bolt
3/8-161/2-135/8-113/4-101-8

ASTM A193 Grade B7 Threaded Rod UNC Full Threaded Zinc Plated Alloy Steel Stud Bolt

$0.00
ASTM A193 Grade B7 Threaded Rod UNC Full Threaded Zinc Plated Alloy Steel Stud Bolt Material: Alloy Steel Grade / Class: ASTM A193 B7 Standards: ASTM A193 Thread Series: UNC...
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Threaded Rod — 1"-8 UNC Threaded Rod B7 Alloy Steel Full Threaded Zinc Plated Heavy Duty Rod for Flange Connection
1-8

1"-8 UNC Threaded Rod B7 Alloy Steel Full Threaded Zinc Plated Heavy Duty Rod for Flange Connection

$0.00
1"-8 UNC Threaded Rod B7 Alloy Steel Full Threaded Zinc Plated Heavy Duty Rod for Flange Connection Material: Alloy Steel Grade / Class: ASTM A193 B7 Thread Series: UNC Finish...
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Threaded Rod — 35CrMo Alloy Steel Threaded Rod UNC 3/4-10 1-8 1-1/4-7 1-1/2-6 ASTM A193 High Strength Full Threaded Zinc Plated
3/4-101-81-1/4-71-1/2-6

35CrMo Alloy Steel Threaded Rod UNC ASTM A193 High Strength Full Threaded Zinc Plated

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35CrMo Alloy Steel Threaded Rod UNC ASTM A193 High Strength Full Threaded Zinc Plated Material: 35CrMo Alloy Steel Standards: ASTM A193 Thread Series: UNC Finish / Coating: Zinc Plated Features:...
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Wedge Lock Washer — High Strength 35CrMo Alloy Steel Wedge Lock Washer Dacromet DIN25201 Double Fold Self-Locking Design
M3M4M5M6M7M8M10M12M14

High Strength 35CrMo Alloy Steel Wedge Lock Washer Dacromet DIN25201 Double Fold Self-Locking Design

$0.00
High Strength 35CrMo Alloy Steel Wedge Lock Washer Dacromet DIN25201 Double Fold Self-Locking Design Material: 35CrMo Alloy Steel Standards: DIN 25201 Thread Series: Metric Finish / Coating: Dacromet Features: Double...
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Flat Head Socket Cap Screw — Grade 8 Equivalent 40CrMo Flat Head Socket Cap Screw UNC 1/2-13 5/8-11 3/4-10 Black Oxide ASME
1/2-135/8-113/4-10

Grade 8 Equivalent 40CrMo Flat Head Socket Cap Screw UNC Black Oxide ASME

$0.00
Grade 8 Equivalent 40CrMo Flat Head Socket Cap Screw UNC Black Oxide ASME Material: 40CrMo Alloy Steel Grade / Class: Grade 8 Standards: ASME Thread Series: UNC Finish / Coating:...
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Flat Head Socket Cap Screw — ASTM A193 B7 FHSC UNC 3/8-16 1/2-13 5/8-11 3/4-10 Black Oxide ASME B18.3 High Tensile
3/8-161/2-135/8-113/4-10

ASTM A193 B7 FHSC UNC Black Oxide ASME B18.3 High Tensile

$0.00
ASTM A193 B7 FHSC UNC Black Oxide ASME B18.3 High Tensile Material: Alloy Steel Grade / Class: ASTM A193 B7 Standards: ASME B18.3 Thread Series: UNC Finish / Coating: Black...
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Flat Head Socket Cap Screw — 40CrMo Flat Csk Head Socket Cap Screw UNC 5/16-18 3/8-16 1/2-13 5/8-11 Black Oxide
5/16-183/8-161/2-135/8-11

40CrMo Flat Csk Head Socket Cap Screw UNC Black Oxide

$0.00
40CrMo Flat Csk Head Socket Cap Screw UNC Black Oxide Material: 40CrMo Alloy Steel Grade / Class: Grade 10.9 Thread Series: UNC Finish / Coating: Black Oxide
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Flat Head Socket Cap Screw — Alloy Steel Flat Countersunk Head Hex Socket Cap Scr UNC 1/4-20 to 1/2-13 Black Oxide
1/4-201/2-13

Alloy Steel Flat Head Socket Cap Screw Grade 10.9 UNC Black Oxide

$0.00
Alloy Steel Flat Head Socket Cap Screw Grade 10.9 UNC Black Oxide Material: Alloy Steel Grade / Class: Grade 10.9 Thread Series: UNC Finish / Coating: Black Oxide
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Button Head Socket Cap Screw — High Tensile Button Head Socket Cap Screw 40CrMo UNF 1/4-28 3/8-24 1/2-20 Zinc Plated ASME B18.6.3
1/4-283/8-241/2-20

High Tensile Button Head Socket Cap Screw 40CrMo UNF Zinc Plated ASME B18.6.3

$0.00
High Tensile Button Head Socket Cap Screw 40CrMo UNF Zinc Plated ASME B18.6.3 Material: 40CrMo Alloy Steel Standards: ASME B18.6.3 Thread Series: UNF Finish / Coating: Zinc Plated
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Button Head Socket Cap Screw — High Strength Button Head Hex Socket Cap Screw 40CrMo UNC/UNF 1/4 to 5/8 Zinc Plated ASME B18.6.3
1/45/8

High Strength Button Head Hex Socket Cap Screw 40CrMo UNC/UNF Zinc Plated ASME B18.6.3

$0.00
High Strength Button Head Hex Socket Cap Screw 40CrMo UNC/UNF Zinc Plated ASME B18.6.3 Material: 40CrMo Alloy Steel Standards: ASME B18.6.3 Thread Series: UNC, UNF Finish / Coating: Zinc Plated...
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Button Head Socket Cap Screw — Industrial Grade Hex Socket Button Head Screw B7 Alloy UNC 3/8-16 1/2-13 5/8-11 Zinc Plated ASME
3/8-161/2-135/8-11

Industrial Grade Hex Socket Button Head Screw B7 Alloy UNC Zinc Plated ASME

$0.00
Industrial Grade Hex Socket Button Head Screw B7 Alloy UNC Zinc Plated ASME Material: Alloy Steel Grade / Class: ASTM A193 B7 Thread Series: UNC Finish / Coating: Zinc Plated...
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Button Head Socket Cap Screw — Corrosion Resistant Zinc Plated Button Head Cap Screw 35CrMo UNC 1/4-20 to 5/8-11 ASME B18.6.3
1/4-205/8-11

Corrosion Resistant Zinc Plated Button Head Cap Screw 35CrMo UNC ASME B18.6.3

$0.00
Corrosion Resistant Zinc Plated Button Head Cap Screw 35CrMo UNC ASME B18.6.3 Material: 35CrMo Alloy Steel Standards: ASME B18.6.3 Thread Series: UNC Finish / Coating: Zinc Plated
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Button Head Socket Cap Screw — UNF Fine Thread Button Head Socket Cap Screw 40CrMo 5/16-24 3/8-24 1/2-20 Zinc Plated ASME B18.6.3
5/16-243/8-241/2-20

UNF Fine Thread Button Head Socket Cap Screw 40CrMo Zinc Plated ASME B18.6.3

$0.00
UNF Fine Thread Button Head Socket Cap Screw 40CrMo Zinc Plated ASME B18.6.3 Material: 40CrMo Alloy Steel Standards: ASME B18.6.3 Thread Series: UNF Finish / Coating: Zinc Plated
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Button Head Socket Cap Screw — Hexagon Socket Button Head Cap Screw UNF 1/4-28 3/8-24 1/2-20 5/8-18 Zinc Plated 40CrMo ASME B18.6.3
1/4-283/8-241/2-205/8-18

Hexagon Socket Button Head Cap Screw UNF Zinc Plated 40CrMo ASME B18.6.3

$0.00
Hexagon Socket Button Head Cap Screw UNF Zinc Plated 40CrMo ASME B18.6.3 Material: 40CrMo Alloy Steel Standards: ASME B18.6.3 Thread Series: UNF Finish / Coating: Zinc Plated
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Button Head Socket Cap Screw — ASME B18.6.3 Button Head Hex Socket Cap Screw 35CrMo UNC 1/4-20 5/16-18 3/8-16 Zinc Plated
1/4-205/16-183/8-16

ASME B18.6.3 Button Head Hex Socket Cap Screw 35CrMo UNC Zinc Plated

$0.00
ASME B18.6.3 Button Head Hex Socket Cap Screw 35CrMo UNC Zinc Plated Material: 35CrMo Alloy Steel Standards: ASME B18.6.3 Thread Series: UNC Finish / Coating: Zinc Plated
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Button Head Socket Cap Screw — 35CrMo High Strength Hex Socket Button Head Cap Screw UNF 1/4-28 5/16-24 Zinc Plated ASME B18.6.3
1/4-285/16-24

35CrMo High Strength Hex Socket Button Head Cap Screw UNF Zinc Plated ASME B18.6.3

$0.00
35CrMo High Strength Hex Socket Button Head Cap Screw UNF Zinc Plated ASME B18.6.3 Material: 35CrMo Alloy Steel Standards: ASME B18.6.3 Thread Series: UNF Finish / Coating: Zinc Plated
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Button Head Socket Cap Screw — Zinc Plated Button Head Cap Screw UNC 1/4-20 5/16-18 3/8-16 1/2-13 5/8-11 Alloy Steel 35CrMo ASME
1/4-205/16-183/8-161/2-135/8-11

Zinc Plated Button Head Cap Screw UNC Alloy Steel 35CrMo ASME

$0.00
Zinc Plated Button Head Cap Screw UNC Alloy Steel 35CrMo ASME Material: 35CrMo Alloy Steel Thread Series: UNC Finish / Coating: Zinc Plated
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Button Head Socket Cap Screw — ASTM A193 B7 Grade Alloy Steel Button Head Cap Screw UNC 5/16-18 1/2-13 Zinc Plated ASME B18.6.3
5/16-181/2-13

ASTM A193 B7 Grade Alloy Steel Button Head Cap Screw UNC Zinc Plated ASME B18.6.3

$0.00
ASTM A193 B7 Grade Alloy Steel Button Head Cap Screw UNC Zinc Plated ASME B18.6.3 Material: Alloy Steel Grade / Class: ASTM A193 B7 Standards: ASME B18.6.3, ASTM A193 Thread...
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Button Head Socket Cap Screw — Button Head Socket Cap Screw 40CrMo UNC 5/16-18 3/8-16 1/2-13 Zinc Plated ASME B18.6.3
5/16-183/8-161/2-13

Button Head Socket Cap Screw 40CrMo UNC Zinc Plated ASME B18.6.3

$0.00
Button Head Socket Cap Screw 40CrMo UNC Zinc Plated ASME B18.6.3 Material: 40CrMo Alloy Steel Standards: ASME B18.6.3 Thread Series: UNC Finish / Coating: Zinc Plated
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Button Head Socket Cap Screw — Alloy Steel 40CrMo Black Oxide Button Head Socket Cap Screw UNC #2-56 #4-40 #6-32 #8-32 35CrMo ASME B18.3
#2-56#4-40#6-32#8-32

Alloy Steel 40CrMo Black Oxide Button Head Socket Cap Screw UNC 35CrMo ASME B18.3

$0.00
Alloy Steel 40CrMo Black Oxide Button Head Socket Cap Screw UNC 35CrMo ASME B18.3 Material: 40CrMo Alloy Steel Grade / Class: Grade 10.9 Standards: ASME B18.3 Thread Series: UNC Finish...
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Button Head Socket Cap Screw — Hex Socket Button Head Cap Screw Alloy Steel 35CrMo UNF 5/16-24 3/8-24 1/2-20 Zinc Plated ASME
5/16-243/8-241/2-20

Hex Socket Button Head Cap Screw Alloy Steel 35CrMo UNF Zinc Plated ASME

$0.00
Hex Socket Button Head Cap Screw Alloy Steel 35CrMo UNF Zinc Plated ASME Material: 35CrMo Alloy Steel Thread Series: UNF Finish / Coating: Zinc Plated
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Button Head Socket Cap Screw — Dacromet Coated Button Head Socket Cap Screw Alloy Steel 35CrMo UNC #2-56 #4-40 #6-32 #8-32 #10-24 1/4-20 ASME B18.3
#2-56#4-40#6-32#8-32#10-241/4-20

Dacromet Coated Button Head Socket Cap Screw Alloy Steel 35CrMo UNC ASME B18.3

$0.00
Dacromet Coated Button Head Socket Cap Screw Alloy Steel 35CrMo UNC ASME B18.3 Material: 35CrMo Alloy Steel Standards: ASME B18.3 Thread Series: UNC Finish / Coating: Dacromet
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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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