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DIN 557 Square Carbon Steel Nut 1/2 To 1-1/2 Size

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DIN 557 Square Carbon Steel Nut 1/2 To 1-1/2 Size

Brand Name : QBH

Model Number : square nut

Certification : ISO9001

Place of Origin : CHINA

MOQ : 900KG

Price : Negotiation

Payment Terms : L/C, T/T

Supply Ability : 200TON/MONTH

Delivery Time : 30-60 days

Packaging Details : 25kg Carton+900kg/Pallet

Standard : DIN557

Size : 1/2 to 1-1/2

Surface treatment : H.D.G ZP YZP BLACK

Grade : 6 8

Sample : Free samples

Process : Cold Forging,Hot Forging

Packing : 25kg Carton+900kg/Pallet

Material : Carbon steel

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ANSI Heavy Square GRADE 2 HDG BLACK ZP YZP Carbon Steel Nuts

Specification

Hardware ANSI Menu. American National and Unified Standard Square Nuts and Heavy Square Nuts and American National Standard Hex Thick Nuts ANSI/ASME B18.2.2. Flat Bottom, Chamfered Bottom Sqaure Nut

American National and Unified Standard Square Nuts and Heavy Square Nuts

And American National Standard Hex Thick Nuts ANSI/ASME B18.2.2

DIN 557 Square Carbon Steel Nut 1/2 To 1-1/2 Size

Nominal Size F C H QBH NO
Width Across Flats Width Across Corners Thickness
Basic Max Min Max Min Basic Max Min Plain Galvanized
1⁄2 13⁄16 0.812 0.788 1.149 1.052 7⁄16 0.458 0.418 SQUARE NUT SQUARE NUT
5⁄8 1 1.000 0.969 1.414 1.300 35⁄64 0.569 0.525 SQUARE NUT SQUARE NUT
3⁄4 11⁄8 1.125 1.088 1.591 1.464 21⁄32 0.680 0.632 SQUARE NUT SQUARE NUT
7⁄8 15⁄16 1.312 1.269 1.856 1.712 49⁄64 0.792 0.740 SQUARE NUT SQUARE NUT
1 11⁄2 1.500 1.450 2.121 1.961 7⁄8 0.903 0.847 SQUARE NUT SQUARE NUT
11⁄8 111⁄16 1.688 1.631 2.386 2.209 1 1.030 0.970 SQUARE NUT SQUARE NUT
11⁄4 17⁄8 1.875 1.812 2.652 2.458 13⁄32 1.126 1.062 SQUARE NUT SQUARE NUT
13⁄8 21⁄16 2.062 1.994 2.917 2.708 113⁄64 1.237 1.169 SQUARE NUT SQUARE NUT
11⁄2 21⁄4 2.250 2.175 3.182 2.956 15⁄16 1.348 1.276 SQUARE NUT SQUARE NUT

Process flow

Cold forging

Annealing treatment(if need) ➨ wiredrawing ➨ clod forging ➨ tapping ➨make heat treatment(if need) ➨ Finish ➨ Packing

Hot forging

Cutting material ➨ hot forging ➨ turning ➨ tapping ➨ make heat treatment(if need) ➨ Finish ➨ Packing

Product Grade

Grade 2 Grade 5 Grade 8

Materials and Chemical compstition

J995 Chemical Requirements
Grade Carbon, % Phosphorus, % Manganese, % Sulfur, %
2 0.47 max 0.120 max - 0.15 max
5 0.55 max 0.050 max 0.30 min 0.15 max
8 0.55 max 0.040 max 0.30 min 0.05 max

1008

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Al
0.06 0.06 0.33 0.013 0.003 0.01 0 0.01 0.028

1035

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.34 0.13 0.73 0.012 0.002 0.02 0.01 0.02

10B21

CHEMICAL COMPOSI %
C Si Mn P S Cr B
0.2 0.04 0.81 0.017 0.007 0.017 0.0021

1045

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.45 0.23 0.58 0.014 0.006 0.057 0.008 0.016

40CR

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.4 0.21 0.54 0.015 0.008 0.95 0.02 0.02

35CRMO

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Mo
0.35 0.22 0.59 0.01 0.003 0.93 0.01 0.01 0.21

42CRMO

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Mo
0.42 0.27 0.92 0.013 0.004 1.01 0.03 0.04 0.2

DIN557 Carbon Steel Square Nuts are Made with top-quality materials, these nuts are known for their durability, strength, and corrosion resistance. DIN557 Carbon Steel Square Nuts are designed to last. The high-quality steel construction provides excellent tensile strength, meaning they can handle high load capacities without deforming or breaking. Galvanized Carbon steel is also resistant to corrosion, so DIN557 Carbon Steel Square Nuts stand up well even in wet and humid environments.

One of the key advantages of DIN557 Carbon Steel Square Nuts is their unique square shape. Unlike traditional hexagonal nuts, the square shape provides a greater surface area for gripping and holding onto in applications where tools cannot reach. At the same time, the square shape is ideal for preventing rotation, reducing the likelihood of the nut coming loose even in vibrating or high-stress applications.

DIN557 Carbon Steel Square Nuts application scenarios are very wide, The product massively applies in the bridgeroadthe petroleum pipeline facilitythe wind power generation and steel structure project.

DIN 557 Square Carbon Steel Nut 1/2 To 1-1/2 SizeDIN 557 Square Carbon Steel Nut 1/2 To 1-1/2 SizeDIN 557 Square Carbon Steel Nut 1/2 To 1-1/2 SizeDIN 557 Square Carbon Steel Nut 1/2 To 1-1/2 SizeDIN 557 Square Carbon Steel Nut 1/2 To 1-1/2 Size


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