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Double End Stud Bolt(42CrMoA, 40CrNiMoA)

High Strength Double End Stud

Stud Bolt Specification

Raw Material: 42CrMoA, 40CrNiMoA

Strength Level: 8.8, 10.9

Dimension: M27~M64

Length: 2m-12m


High Strength Double End Stud

Stud Bolt Specification

Raw Material: 42CrMoA, 40CrNiMoA

Strength Level: 8.8, 10.9

Dimension: M27~M64

Length: 2m-12m


(M27-M64) Stud Bolt 2m-12m Chemical Composition

42CrMoA Chemical Composition (%)
Steel GradeC(%)Si(%)Mn(%)P(%)S(%)Cr(%)Mo(%)
42CrMoA 0.38-0.45 0.17-0.37 0.5-0.8 ≦0.035 ≦0.035 0.9-1.2 0.15-0.25

40CrNiMoA Chemical Composition (%)
Steel GradeC(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Mo(%)Cu(%)
40CrNiMoA0.37 to 0.440.17 to 0.370.50 to 0.80≤ 0.020 to ≤ 0.030≤ 0.010 to ≤ 0.0300.60 to 0.901.25 to 1.650.15 to 0.25≤ 0.25 to ≤ 0.30

42CrMoA, 40CrNiMoA -Alloy Stud Bolt Types Introduction

Continuous Thread Stud
Tap End Stud
Double End Stud

Alloy Double End studs are available in cut or rolled threads in any grade of material. They may be furnished plain, plated or coated at the customer’s request. LT Group provides heat-treatment, cold thread, lab services according to customer’s technical requirements.

(M27-M64)Socket Hex Head Alloy Stud  Processing:

AGICO can provide socket hex head processing for Large size (M27-M64) stud bolt product for customers .

Socket Hex Head Processing

42CrMoA-Alloy Stud Bolt Surface Treatment:

Alloy Stud bolt Surface Treatment has many options, such as Oil, Grease, Dacromet, Zinc coating,Paint, tape, fabric, Water-proof Paper, Box. There are 2 most used treatment – zinc coating and Black Oxide Coating. Here are the outlooks:

(M27-M64)Alloy Stud Bolt Available Dimensions

Stud Bolt GradeDiameterLength(mm)Nut GradeWasher
8.8M27-M6412000MAX835-45HRC
9.89
10.910
12.912
Black Oxide Coating Stud Bolt
Zinc Coated Stud Bolt
Black Oxide Coating Stud Bolt
Zinc Coated Stud Bolt
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