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fasteners



fasteners

OFFERING

Best Quality Industrial Fasteners Throughout The Globe That Are…..
Hex Bolt, Hex Nut, Eye Bolt, Eye Nut, Stud Bolt, Allen Bolt, Allen CSK, Allen Cap Foundation Bolt, T – Bolt, Square Bolt, Carriage Bolt, Dom Nut, Heavy Hex Nut, Elevator Bucket Bolt, Buldogrip, Spring Washer, Nylock Nut, Hex Screw, Couch Screw, U – Bolt, Anchor Fasteners, Socket Screw, Machine Screw, Threaded Road, Half threaded Stud, Flange Bolt, Lock Nut, Weld Nut, Flange Nut, Wedge Anchor Bolt, Sleeve Anchor Bolt, Square Nut, Grub, Cheese Head Bolt, CSK Head Bolt, Pan Philipse Bolt, Elevator Parts, Machinery Parts, Building Material, Construction Material, Panel Accessories, Cement Machine Parts etc 


  • Hex bolts, or hex cap screws, are used in machinery and construction. Can be used with a nut, or in a tapped hole. Fully threaded hex bolts are also known as tap bolts

  • Wood screws have large threads and a smooth shank for pulling two pieces of material together. They can be used in wood and other soft materials

  • Sheet metal screws have sharp points and threads, and are designed to be driven directly into sheet metal. They can also be used in softer materials like plastic, fiberglass, or wood.

  • Machine screws are fully treaded for use with a nut or in a tapped hole. Certain types are sometimes referred to as stove bolts.

  • Socket screws are machine screws with an internal hex socket (Allen) drive. Longer lengths may have a smooth shank.

  • Lag bolts, or lag screws, are large wood screws with hex heads. Typically used for wood construction and landscaping.

  • Carriage bolts have smooth, domed heads with a square section underneath that pulls into the material to prevent spinning during installation.

  • Nuts are used to fasten machine threaded fasteners in through-hole applications. Lock nuts help prevent loosening.

  • Washers spread the load over a greater surface area when tightening a bolt, screw or nut. Lock washers help preventing loosening.

With regard to the flange bolt corrosion problem currently being addressed, and the possibility of using alternative bolting material, I will begin with a listing of bolting material that is acceptable to use with ASME B16.5 flanges, as defined by ASME B16.5-Pipe Flanges and Flanged Fittings. While the fluid service applications in your facility will only require a select few of the listed bolting materials I thought it might be helpful to see the scope of what is allowed by Code, with regard to material.




Bolting Materials (ASME B16.5)
High Strength
Intermediate Strength
Low Strength
Nickel & Special Alloy
Spec. No.
Grade
Spec. No.
Grade
Spec. No.
Grade
Spec. No.
Grade
A193
B7
A193
B5
A193
B8 CL.1
B164
A193
B16
A193
B6
A193
B8C CL.1
A193
B6X
A193
B8M CL.1
B166
A320
L7
A193
B7M
A193
B8T CL.1
A320
L7A
A193
B8 CL.2
A193
B8A
B335
N10665
A320
L7B
A193
B8C CL.2
A193
B8CA
A320
L7C
A193
B8M CL.2
A193
B8MA
B408
A320
L43
A193
B8T CL.2
A193
B8TA
B473
A354
BC
A320
B8 CL.2
A307
B
A354
BD
A320
B8C CL.2
B574
N10276
A320
B8F CL.2
A320
B8 CL.1
A540
B21
A320
B8M CL.2
A320
B8C CL.1
A540
B22
A320
B8T CL.2
A320
B8M CL.1
A540
B23
A320
B8T CL.1
A540
B24
A449
A453
651
A453
660


Material specification:-

LOCK NUT

MATERIAL :

STEEL FASTENERS

GRADE :

A2 , A4 , 200 SERIES

STANDARD :

METRIC

DIN 439

 

INCHES

BS 1083

SIZE IN DIA :

METRIC

M6 ~ M56

 

INCHES

3/16" ~ 2"

MANUFACTURING : HOT & COLD FORMING

HEAVY HEX NUT

MATERIAL :

STEEL FASTENERS

GRADE :

A2 , A4 , A194 GRADE 8 & 8M

STANDARD :

ANSI B18 ANSI B18.2.2 & ANSI B18.2.4

SIZE IN DIA :

M6 ~ M56 & 1/4" ~ 2"

MANUFACTURING HOT & COLD FORMING

WELD NUT


MATERIAL :

STEEL FASTENERS

GRADE :

A2 , A4 , 200 SERIES

STANDARD :

METRIC

DIN 929

SIZE IN DIA :

METRIC

M3 ~ M12

MANUFACTURING HOT & COLD FORMING

NYLOCK NUT

MATERIAL :

STEEL FASTENERS

GRADE :

A2 , A4 , 200 SERIES

STANDARD :

METRIC

DIN 982, 985

SIZE IN DIA :

METRIC

M3 ~ M24

MANUFACTURING COLD FORMING

DOM NUT

MATERIAL :

STEEL FASTENERS

GRADE :

A2 , A4 , 200 SERIES

STANDARD :

METRIC

DIN 1587

SIZE IN DIA :

METRIC

M3 ~ M24

MANUFACTURING BY :

COLD FORMING

FLANGE NUT

MATERIAL :

STEEL FASTENERS

GRADE :

A2 , A4 , 200 SERIES

STANDARD :

METRIC

DIN 6923

SIZE IN DIA :

METRIC

M3 ~ M24

MANUFACTURING BY :

COLD FORMING

SQUARE NUT

MATERIAL :

STEEL FASTENERS

GRADE :

A2 , A4 , 200 SERIES

STANDARD :

METRIC

DIN 557

SIZE IN DIA :

METRIC

M3 ~ M24

MANUFACTURING BY :

COLD FORMING

EYE NUT

MATERIAL :

STEEL FASTENERS

GRADE :

A2 , A4

STANDARD :

DIN 582

SIZE IN DIA :

M6 ~ M36

MANUFACTURING BY :

HOT FORMING



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