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    sales@tubotechalloys.com
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    +91 9769961320
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    Pathan Durgadevi Udyan, Ground Floor, 25 Plot No 74/80, Patra Chawl, Maruti , Mandir Marg, Second Street, Girgaon, Mumbai, Maharashtra 400004

Screws

Introduction

We at Tubotech, a top piping and tubing manufacturer in India believe that our strength lies in delivering high-quality precision fastening screws at affordable prices. More importantly, we have precisely designed Screw Fasteners that deliver high performance, exceptional load distribution, increased durability, and superior grip.  

A majority of the Screw Fasteners types that we manufacture using premium materials. Some of those encompass carbon steel, stainless steel, and special alloys. Besides, we make sure that they agree to international standards such as ASTM, DIN, ISO, BS.

More importantly, our goal at Tubotech, one of the best piping and tubing manufacturer in India is to offer your business Screw Fasteners that deliver ‘Strength’ and ‘Precision’.

Specifications Chart of Screw Fasteners :

If you are looking for all the specifications details of Screw Fasteners then look no further and just see the table below to get all the information you need.

Parameter Details
Material Carbon Steel, Alloy Steel, Stainless Steel (304, 316), Brass, Titanium
Standards ASTM, ASME, ISO, DIN, BS, JIS
Types Machine Screws, Self-Tapping Screws, Self-Drilling Screws, Wood Screws, Socket Head Screws
Diameter Range M2 to M36 (Metric) / 3/32” to 1-1/2” (Inch)
Length Range 4 mm to 300 mm / 3/16” to 12”
Thread Type Metric, UNC, UNF, BSW, BSF, NPT
Head Types Hex Head, Pan Head, Flat Head, Button Head, Socket Head, Truss Head, Oval Head
Drive Types Slotted, Phillips, Pozidriv, Hex, Torx, Square (Robertson)
Surface Finish Zinc Plated, Hot Dip Galvanized, Black Oxide, Nickel Plated, PTFE Coated, Dacromet
Strength Grades Grade 4.6, 8.8, 10.9, 12.9 (for carbon/alloy steel), A2-70, A4-80 (for stainless steel)
Applications Machinery, Automotive, Construction, Marine, Electrical, Furniture, Industrial Equipment
 

Chemical composition of Screw Fasteners:

All you need to know about the chemical contents in the Screw Fasteners is given in the table below:

Material / Grade C (Carbon %) Mn (Manganese %) Si (Silicon %) P (Phosphorus %) S (Sulfur %) Cr (Chromium %) Ni (Nickel %) Mo (Molybdenum %)
Carbon Steel (Grade 4.6) 0.25 max 0.50–0.80 0.10–0.35 0.04 max 0.05 max
Alloy Steel (Grade 8.8) 0.30 max 0.60–1.60 0.10–0.50 0.035 max 0.035 max
Stainless Steel A2 (304) 0.08 max 2.00 max 1.00 max 0.045 max 0.015 max 18.0–20.0 8.0–11.0
Stainless Steel A4 (316) 0.08 max 2.00 max 1.00 max 0.045 max 0.015 max 16.0–18.0 10.0–14.0 2.0–3.0
Brass Screws 0.03 max 0.10 max 0.05 max 0.05 max 0.05 max
Titanium Screws (Grade 2) 0.08 max 0.30 max 0.30 max 0.03 max 0.015 max

Mechanical Properties of Screw Fasteners:

For anyone seeking all the essential information of the mechanical properties of Screw Fasteners, just take a look at the table given below:

Material / Grade Tensile Strength (MPa) Yield Strength (MPa) Elongation (%) Hardness (HB)
Carbon Steel (Grade 4.6) 400 – 560 240 min 22 min 120 – 180
Alloy Steel (Grade 8.8) 800 – 1040 640 min 12 min 200 – 300
Alloy Steel (Grade 10.9) 1000 – 1220 900 min 9 min 320 – 380
Alloy Steel (Grade 12.9) 1200 – 1400 1080 min 8 min 370 – 435
Stainless Steel A2-70 (304) 700 min 450 min 45 min 200 – 250
Stainless Steel A4-80 (316) 800 min 600 min 40 min 200 – 270
Brass Screws 350 – 500 150 – 200 30 – 40 80 – 100
Titanium Screws (Grade 2) 345 min 275 min 20 min 160 – 200

Pathan Durgadevi Udyan, Ground Floor, 25 Plot No 74/80, Patra Chawl, Maruti , Mandir Marg, Second Street, Girgaon, Mumbai, Maharashtra 400004

These fittings are crucial in ensuring smooth, dependable, and ordinary fluid and gas waft at some stage in various high-stakes programs.

Types of Screw Fasteners:

There are several types of Screw Fasteners that you need to learn about. They are as given below:

  • Self-trapping screws 
  • Machine screws
  • Self-drilling screws 
  • Wood screws 
  • Sheet metal screws 
  • Lag screws 
  • Set screws 
  • Deck screws 
  • Drywall screws 
  • Thumb screws 
  • Concrete screws

Sizes of Screw Fasteners:

Typically, Screw Fasteners are available is various sizes and shapes measured in metric and imperial systems, i.e., mm and inches respectively. They are given in the table below:


Parameter Metric (mm) Imperial (Inches)
Diameter Range M2 to M36 3/32″ to 1-1/2″
Length Range 4 mm to 300 mm 3/16″ to 12″
Thread Pitch Fine, Medium, and Coarse threads available based on diameter UNC (Unified Coarse), UNF (Unified Fine), BSW (British Standard Whitworth)
Head Sizes According to DIN, ISO, ANSI standards Varies by type (Pan Head, Flat Head, Hex Head, etc.)

Weight Chart of Screw Fasteners:

The detailed information of the ‘Weight’ of Screw Fasteners are given in the table below:

Screw Size Length (mm) Approx. Weight per 1000 pcs (kg)
M3 12 mm 1.20 kg
M4 20 mm 3.50 kg
M5 25 mm 5.80 kg
M6 30 mm 9.20 kg
M8 40 mm 17.00 kg
M10 50 mm 27.50 kg
M12 60 mm 40.00 kg
M16 80 mm 78.00 kg
M20 100 mm 125.00 kg
M24 120 mm 180.00 kg

Industrial Application of Screw Fasteners:

Due to its durability Screw Fasteners are used in a wide range of industrial applications. They are given below:

  • Automobile and transportation
  • Construction
  • Electrical and electronics
  • Aerospace
  • Oil/Gas/Energy
  • Medical equipment
  • Infrastructure projects
  • Manufacturing and machinery

Why choose Tubotech for Screw Fasteners?

Firstly, when you choose Tubotech for Screw Fasteners you invest in high-performance and reliability. Moreover, there are also other reasons for you to choose us. They include the following:

  • A wide range of quality products
  • Usage of premium quality material
  • Provision of precision engineering
  • Offer customized solutions
  • Adherence to strict Quality Assurance
  • Reliable technical support
  • Local service with global reach

Contact Us To Get a Quote

Choose Tubotech for your subsequent project concerning Screw Fasteners and benefit from reliability and quality. Whether your requirement is small batch or bulk export, our technical institution is here to help you.