Mahesh Enterprises
Mahesh Enterprises
Masjid Bandar, Mumbai, Maharashtra
GST No. 27AFEPM7719R1ZM
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Headed Bolts

Pioneers in the industry, we offer heavy hex bolt, hex bolts, hastelloy bolt, astm stud bolts, square bolts and structural bolts from India.
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Heavy Hex Bolt
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Heavy Hex Bolt

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Product Details:
MaterialHigh Tensile Steel, Stainless Steel
CoatingZinc Electroplating
Heat TreatmentYes
Bolt Diameter1/2 Inch
Body DiameterMax 2.559 mm
Basic Height1/2 Inch
Max Height1.708 Inch
Mon Height0.302 Inch

We are leading Manufacturers & Suppliers of heavy hex bolts in Nickel 200/201, Monel 400, Inconel 600/625, Incoloy 800 ,800H & 800HT, Hastelloy C22/Hastelloy C276, Alloy 904 L/Alloy 20, Ti Grade 1/2/3/4/5/7. There are several ASTM specifications require a hex head that is larger than a standard(finished) hex head. These specifications include: A193, A320 and A307B. AlthoughA325 and A490 bolts also require a heavy hex head, please refer to Structural Boltsfor dimensional specifications, since these bolts have shorter thread lengths than standard heavy hex bolts.

 

Applications :

It can be used for many different applications that include fastening wood, steel, and other construction materials. Heavy hex bolts with forged heads are also commonly used as headed anchor bolts.

 

Standard Thread Lengths:

  • Bolt lengths < 6": Thread length = (2 X diameter) + 1/4"
    Bolt lengths > 6": Thread length = (2 X diameter) + 1/2"


Dimensions:

Bolt DiameterDFCH
Body DiameterWidth Across FlatsWidth Across CornersHeight
MaxBasicMaxMinMaxMinBasicMaxMin
1/20.5157/80.8750.851.010.96911/320.3640.302
5/80.6421-1/161.0621.0311.2271.17527/640.4440.378
3/40.7681-1/41.251.2121.4431.3831/20.5240.455
7/80.8951-7/161.4381.3941.661.58937/640.6040.531
11.0221-5/81.6251.5751.8761.79643/640.70.591
1-1/81.1491-13/161.8121.7562.0932.0023/40.780.658

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Hex Bolts
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Hex Bolts

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Product Details:
MaterialStainless Steel
ColorSilver
Surface TreatmentChrome Plated
CoatingZinc Electroplating
ShapeHex
ApplicationMachinery

We are leading Manufacturers , Suppliers & Exporters of Hex bolts in Nickel 200/201, Monel 400, Inconel 600/625, Incoloy 800 ,800H & 800HT, Hastelloy C22/Hastelloy C276, Alloy 904 L/Alloy 20, Ti Grade 1/2/3/4/5/7. These are the industry standard for fasteners with forged heads. ASTM A307 grade A bolts, all SAE hex bolts, and several other common specifications require a standard (finished) hex head. For specifications such as A307 grade B, A325 and A490 that require a heavy hex pattern, refer to dimensional tolerances for heavy hex bolts or structural bolts.


Applications :

It can be used for many different applications that include fastening wood,steel, and other construction materials for projects such as docks, bridges,highway structures, and buildings. Hex bolts with forged heads are also commonly used as headed anchor bolts.


Standard Thread Length:

  • Bolt lengths ≤ 6": Thread length = (2 X diameter) + 1/4"
    Bolt lengths > 6": Thread length = (2 X diameter) + 1/2"
    Note: Most stock hex bolts 10" and longer will have 6" of thread.

 

Dimension :

Bolt DiameterDFCH
Body DiameterWidth Across FlatsWidth Across CornersHeight
MaxBasicMaxMinMaxMinBasicMaxMin
3/80.3889/160.5620.5440.650.621/40.2680.226
1/20.5153/40.750.7250.8660.82611/320.3640.302
5/80.64215/160.9380.9061.0831.03327/640.4440.378
3/40.7681-1/81.1251.0881.2991.241/20.5240.455
7/80.8951-5/161.3121.2691.5161.44737/640.6040.531

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Hastelloy Bolt
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Hastelloy Bolt

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Product Details:
MaterialStainless Steel
ColorSilver
Surface TreatmentGalvanized
CoatingZinc Electroplating, Self
ApplicationMachinery
Nut Stud Hastelloy Bolt CSK Allen Cap Screw Grub, (six sided heads) are the industry standard for fasteners with forged heads. Astm a307 grade a bolts, all sae hex bolts, and several other common specifications require a standard (finished) hex head. For specifications such as a307 grade b, a325 and a490 that require a heavy hex pattern, refer to dimensional tolerances for heavy hex bolts or structural bolts.

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ASTM Stud Bolts
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ASTM Stud Bolts

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Product Details:
ColorBlack
Product TypeBolt
MaterialCarbon Steel
Surface TreatmentBlack
ApplicationMachinery
Material GradeASTM A 320/153/194/307/193/325/563

Chemical Analysis and Physical Properties :

High Temperature Services

ASTM A193

B5B6B7B8B8CB8MB8TB16B7M

Chemical Analysis

Carbon

>0.10<0.150.38-0.48<0.08<0.08<0.08<0.080.36-0.440.38-0.48

Manganese

<10<10.75-1<2<2<2<20.45-0.700.75-1

Phosphorus Maxi

0.040.040.040.0450.0450.0450.0450.040.04

Sulphur maxi

0.030.030.040.030.030.030.030.040.04

Silicon

<1<10.20-0.35<1<1<1<10.20-0.350.25-0.35

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Square Bolts
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Square Bolts

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Product Brochure
Product Details:
Color Silver
Surface Treatment Galvanized
CoatingZinc Electroplating
MaterialHigh Tensile Steel, Stainless Steel
ApplicationMachinery

We are leading Manufacturers & Supplier of Square Bolts in Nickel 200/201, Monel 400, Inconel 600/625, Incoloy 800 ,800H & 800HT, Hastelloy C22/Hastelloy C276, Alloy 904 L/Alloy 20, Ti Grade 1/2/3/4/5/7. Square head machine bolts were the industry standard prior to hex bolts gaining prominence. Square bolts are now most commonly used for aesthetic purposes to provide a rustic look in a new structure or to match existing fasteners in an older structure. Square lag screws are also used for these purposes.

 

Cross arm or machine bolts are commonly supplied for the utility industry and included an added cone point.

 
Standard Thread Lengths :

  • Bolt lengths < 6": Thread length = (2 X diameter) + 1/4"
  • Bolt lengths > 6": Thread length = (2 X diameter) + 1/2"

 

Dimension :

Bolt DiameterDFCH
Body DiameterWidth Across FlatsWidth Across CornersHeight
MaxBasicMaxMinMaxMinBasicMaxMin
3/80.3889/160.5620.5440.7950.7471/40.2680.232
1/20.5153/40.750.7251.0610.99521/640.3480.308
5/80.64215/160.9380.9061.3261.24427/640.4440.4
3/40.7681-1/81.1251.0881.5911.4941/20.5240.476
7/80.8951-5/161.3121.2691.8561.74219/320.620.568

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Structural Bolts
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Structural Bolts

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Product Details:
Shape Cylindrical
Surface TreatmentBlack Oxide
CoatingZinc Electroplating
MaterialSteel
ApplicationMachinery
Heavy hex structural bolts are manufactured for steel-to-steel structural connections in Nickel 200/201, Monel 400, Inconel 600/625, Incoloy 800 ,800H & 800HT, Hastelloy C22/Hastelloy C276, Alloy 904 L/Alloy 20, Ti Grade 1/2/3/4/5/7. Consequently, they are typically very short. The A325 and A490 specifications are not intended for general applications, including anchor bolts. In these applications, substitutions of A449 for A325 and A354 grade BD for A490 should be considered.

Bolt Length Tolerance :
Nominal Bolt Size, in.1/25/83/4 thru 11-1/8 thru 1-1/2
Nominal Bolt LengthTolerance of Length
Thru 6 in.
Over 6 in.
-0.12
-0.19
-0.12
-0.25
-0.19
-0.25
-0.25
-0.25

Dimension:
Bolt DiameterD FCHT
Body DiameterWidth Across FlatsWidth Across CornersHeightThread Length
MaxBasicMaxMinMaxMinBasicMaxMinBasic
1/20.5157/80.8750.851.010.9695/160.3230.3021
5/80.6421-1/161.0621.0311.2271.17525/640.4030.3781.25
3/40.7681-1/41.251.2121.4431.38315/320.4830.4551.38
7/80.8951-7/161.4381.3941.661.58935/640.5630.5311.5
11.0221-5/81.6251.5751.8761.79639/640.6270.5911.75

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Heavy Patterns U Bolts
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Heavy Patterns U Bolts

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Product Brochure
Product Details:
MaterialAlloy Steel
Type of Bolts U-Square
ConditionNew
Surface TreatmentNickel Plated
CoatingZinc Electroplating
We are leading manufacturers & Suppliers of heavy pattern U bolts in Nickel 200/201, Monel 400, Inconel 600/625, Incoloy 800 ,800H & 800HT, Hastelloy C22/Hastelloy C276, Alloy 904 L/Alloy 20, Ti Grade 1/2/3/4/5/7.

Nominal Pipe SizePipe O.D. mmA mmB mmC mmD mmE mmR mmWeight Each Kilos
5.5" 015mm21.3M846253022110.05
0.75" 020mm26.9M85625352713.50.06
1" 025 mm33.7M86125453718.50.07
1.25" 032mm42.4M87125554023.50.13
1.5" 040mm48.3M10855356050250.15
2" 050mm60.3M109535756532.50.27
2.5" 065mm76.1M12124459078390.53
3" 080mm88.9M16142501058944.50.57
4" 100mm114.3M161675013511959.50.67
5" 125mm139.7M2019250160144720.78
6" 150mm168.3M2022555190170851.4
7" 175mm193.7M202505521519597.51.56

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Headed Anchor Bolts
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Headed Anchor Bolts

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Product Details:
MaterialMetal, Alloy Steel
Surface FinishingFinish Polished, Galvanized
Product TypeAnchor Bolt
ShapeHexagon Head
ApplicationMachinery
Headed Anchor Bolts

We are leading Manufacturers & Suppliers Headed anchor bolts in Nickel 200/201, Monel 400, Inconel 600/625, Incoloy 800 ,800H & 800HT, Hastelloy C22/Hastelloy C276, Alloy 904 L/Alloy 20, Ti Grade 1/2/3/4/5/7. These are different from bent anchor bolts or anchor rods, because the non-threaded end has a forged hex, heavy hex or square head. The headed end is embedded into concrete foundations to secure structural steel columns, light poles, bridge rail, and substation structures. Available specifications include, but are not limited to, ASTM F1554, A449, and A307.


 Stock F1554 Grade 36 Headed Anchor Bolts:

 

LengthFinishDiameter
¾”7/8”1”
Galvanized180181804018054
18”Black18021 18055
Galvanized180221804118056
20”Black   
Galvanized180241804218058
22”Black   
Galvanized18026  
24”Black18027 18061
Galvanized180281804318062
26”Black   
Galvanized1803018044 
30”Black18033  
Galvanized180341804518872
36”Black   
Galvanized  18877

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