Steel ANSI HEX JAM NUT THIN NUT B18.2.2 from 1/4 to 2inch Black ZP YZP HDG Grade 2 Grade 5 Grade 8

Place of Origin CHINA
Brand Name QBH
Certification ISO9001
Model Number 1/4 to 2inch
Minimum Order Quantity 900KG
Price 1100USD-1500USD/TON
Packaging Details 25kg Carton+900kg/Pallet or 5KG/CTN
Delivery Time 30days
Supply Ability 200TON/MONTH
Product Details
Standard ANSI B18.2.2 Material Carbon Steel
Size 1/4 To 2 INCH Product Name Carbon Steel Hexagon Nuts With Flange Blue White Zinc
Finish Nickel,Plain,White Zn,Customized Request,Zinc Plated Sample Sample Is Free
Lead Time Per On Order Quantity Type Hexagon Head
Function Fastening,Fastening And Decoration,Connection,Prevention Of Thievery Advantage We Can Manufacture According To Client Design,OEM / ODM / Customized Service Provided
Oem Yes,welcome Thread UNC,UNF
Package Suitable For Sea And Air Transportation Or As Required,Cartons&pallets Or According To Custom
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Product Description

Specification

 

Also known as jam nuts, these are about half the height of standard hex nuts. Use them in low-clearance applications or jam one against another nut to hold it in place. About half the strength of medium-strength steel thin nuts, use them for light duty fastening applications, such as securing access panels.

Zinc-plated steel nuts resist corrosion in wet environments.

Black-oxide steel nuts have a dark surface color and are mildly corrosion resistant in dry environments.

Steel ANSI HEX JAM NUT THIN NUT  B18.2.2  from 1/4 to 2inch  Black ZP YZP HDG  Grade 2 Grade 5 Grade 8 0

 

 

Nominal Size F C H TYPE
Width Across Flats Width Across Corners Thickness
Basic Max Min Max Min Basic Max Min Plain Galvanized
12 34 0.750 0.736 0.866 0.840 516 0.323 0.302 JAM NUT JAM NUT
58 1516 0.938 0.922 1.083 1.051 38 0.387 0.363 JAM NUT JAM NUT
34 118 1.125 1.088 1.299 1.240 2764 0.446 0.398 JAM NUT JAM NUT
78 1516 1.312 1.269 1.516 1.447 3164 0.510 0.458 JAM NUT JAM NUT
1 112 1.500 1.450 1.732 1.653 3564 0.575 0.519 JAM NUT JAM NUT
118 11116 1.688 1.631 1.949 1.859 3964 0.639 0.579 JAM NUT JAM NUT
114 178 1.875 1.812 2.165 2.066 2332 0.751 0.687 JAM NUT JAM NUT
138 2116 2.062 1.994 2.382 2.273 2532 0.815 0.747 JAM NUT JAM NUT
112 214 2.250 2.175 2.598 2.480 2732 0.880 0.808 JAM NUT JAM NUT
Dimensions per ASME B18.2.2 1987 (1999)

 

 

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

 

Finish

 

PLAIN ZP YZP BLACK HDG DACROMET GEOMET CHROME NICKEL AND SO ON

 

 

PACKING

QBH BULK

20-25KG/CTN,36CTNS/PALLET

20-30KG/BAGS,36BAGS/PALLET

ONE TON/BOXES

50KG/ IRON DRUM,12 IRON DRUMS/PALLET

 

 

QBH SMALL PACKING

Packing in small boxes according to customer’s requirements

Packing in plastic bag according to customer’s requirements

 

QBH PALLET TYPE

 

SOLID WOOD FUMIGATION PALLET

EURO Pallet

THREE SPLINT PALLET

WOODEN BOX

 

 

 

Mechanical property

 

J995 Mechanical Properties    
Grade Nominal Size, inches Proofload, UNC and UN 8 Threads, psi Rockwell Hardness
2 1/4 thru 1-1/2 90,000 C32 Max
5 1/4 thru 1 120,000 C32 Max
Over 1 thru 1-1/2 105,000 C32 Max
8 1/4 thru 5/8 150,000 C24-C32
Over 5/8 thru 1 150,000 C26-C34
Over 1 thru 1-1/2 150,000 C26-C36
*Values listed are not normally applicable to jam, slotted, castle, heavy or thick nuts.

 

J995 Tensile Stress Area    
Thread, UNC UNC Stress Area, sq inches Thread, 8TPI

8 TPI Stress Area,

sq inches

1/2-13 0.1419    
5/8-11 0.226    
3/4-10 0.334    
7/8-9 0.462    
1-8 0.606 1--8 0.606
1-1/8-7 0.763 1-1/8-8 0.79
1-1/4-7 0.969 1-1/4-8 1
1-3/8-7 1.155 1-3/8-8 1.233
1-1/2-6 1.405 1-1/2-8 1.492
To calculate individual nut proofload value, simply multiply the tensile stress area by the appropriate psi proofload value.

 

 

Grade 2 5 8
Size 1/4 to 1-1/2 1/4 to 1 1/4 to 1 1 to 1-1/2 1 to 1-1/2 1/4 to 1-1/2 1/4 to 1-1/2
Thread Series UNC and 8NU UNC and 8NU UNF and 12UN or more fine thread UNC and 8NU UNF and 12UN or more fine thread UNC and 8NU UNF and 12UN or more fine thread
  PROOF LOAD Unit:psi
HEX NUT - 120000 109000 105000 94000 150000 150000
HEX FLANGE NUT - 120000 109000 105000 94000 150000 150000
HEX JAM NUT - 72000 65000 63000 57000 90000 900000
HEAVY HEX JAM NUT - 72000 65000 63000 57000 90000 900000
HEX SLOTTED NUT - 96000 87000 84000 75000 120000 120000
HEAVY HEX NUT - 133000 120000 116000 105000 165000 150000
HEX THICK NUT - 133000 120000 116000 105000 165000 150000
HEAVY HEX SLOTTED NUT - 105000 96000 92000 84000 132000 120000
HEX THICK SLOOTED NUT - 105000 96000 92000 84000 132000 120000
SQUARE NUT 90000 - - - - - -

 

 

 

The advantages of QBH

  • QBH brand sales to the main quality assurance.
  • Years of export trade management, excellent service, word-of-mouth guarantee.
  • By working with TUV,escort for quality.
  • Customization of non-standard parts can be made according to customer's requirements and drawings.
  • For quality customers,we can provide a certain credit period.

Product application

Hex jam nuts are thinner than a standard hex nut but have the same dimension across the flats and corners. Hex jam nuts have two common applications. A jam nut can be threaded onto a bolt and run tight against the standard nut which will lock the nut in place and prevent it from backing off. Jam nuts are sometimes used for leveling purposes as well.

Since hot-dip galvanizing typically adds 2.2 to 5 mils of thickness to the threaded portion of a fastener, galvanized hex jam nuts are tapped oversize to compensate for the corrosion resistant coating on the bolts.