Size In Ready Stock
- Bolts Size : M2 to M24
Table of Content
Supplied in March 11, 2025
Solvay NV/SA
Bayer AG
Countersunk Bolt Specification
Dalloyed Fasteners is One of the Leading Countersunk Bolt Manufacturer in India. Countersunk Head Bolts Are Polished to the Client's Specifications.
Size In Ready Stock
Countersunk Anchor Bolts Head Types
Brass Countersunk Machine Screws Standard
Threads Types of Stainless Steel Countersunk Bolts
Test Certificate
Surface Finishes
Manufacturing Process
Advantages
Testing Methods
Uses
Raw Material
Packaging
Two Types of Countersunk Screw
Driver Type of CSK Screw
Countersunk Philips Slotted Screws
Countersunk Flat Slotted Screws
Countersunk Trox Slotted Screws
Countersunk Pentagonal Slotted Screws
Countersunk Inner Hexagonal Slotted Screws
Countersunk Triangular Slotted Screws
Countersunk Socket Screw Price List
Countersunk Bolt Manufacturer in India, Buy 8/6 Mm SS Countersunk Head Screws at the Lowest Cost in Almost All Sizes.
| Sizes | Pkg | Price in Dolar (USD) | Price in Dirham (UAE) |
|---|---|---|---|
| 3/16BSW X 1/2 | 100 | $137 | AED 503.20 |
| 3/16BSW X 1'' | 100 | $232 | AED 852.14 |
| 3/16BSW X 1.1/4 | 100 | $248 | AED 910.91 |
| 1/4UNC X 1/2 | 100 | $104 | AED 381.99 |
| 1/4UNC X 1/2 | 100 | $142 | AED 521.57 |
| 1/4UNC X 3/4 | 100 | $162 | AED 595.03 |
| 1/4UNC X 3/4 | 100 | $141 | AED 517.89 |
Common Stainless Steel Countersunk Bolts Angles
Dalloyed Fasteners is a Top Countersunk Bolt Manufacturer in India. As a Leading Manufacturer and Supplier, We Deliver a Large Selection of Excellent Quality.
What is a Counter Sunk Screw used for?
We Are One of the Leading Countersunk Bolt Manufacturer in India a High-quality of Flat Countersunk Wood Bolts That Are Widely Used in Various Areas.
CSK Bolts Thread Length
| Sizes | Length Types | Length |
|---|---|---|
| Bolt Lengths > 6″ | Thread length | (2 * Diameter) + 1/2″ |
| Bolt Lengths ≤ 6″ | Thread length | (2 * Diameter) + 1/4″ |
| Note: Hex Bolts Stock Longer than 12″ Inches Length Will Have 6″ of Thread. | ||
Standards of SS Countersunk Bolts
| Sizes | Standards |
|---|---|
| M16 to M36 | ASME B18.2.3.7M |
| M12 to M36 | ASME B18.2.3.6M |
| 3/8 inch to 3 inch | ASME B18.2.1 |
| M12 to M36 | DIN-EN 14399-4 |
| M12 to M36 | DIN 6914 |
| M12 to M36 | UNI 5712 |
| M12 to M36 | ISO 7412 |
| ½ inch to 2 inch | BS 1769 |
Countersunk Hole Dimensions
| Fastener Size (Thread) | Diameter of Pilot Hole (Loose Fit) | Diameter of Pilot Hole (Normal Fit) | Diameter of Pilot Hole (Close Fit) | Countersink Angle | Countersink Diameter |
|---|---|---|---|---|---|
| #10 | 5/21 | 21/95 | 15/73 | 82 | 7/16 |
| #8 | 13/61 | 10/51 | 9/50 | 82 | 3/8 |
| #6 | 5/27 | 10/59 | 2/13 | 82 | 11/32 |
| #5 | 11/64 | 5/32 | 9/64 | 82 | 5/16 |
| #4 | 14/97 | 9/70 | 3/25 | 82 | 9/32 |
| #3 | 9/70 | 8/69 | 5/47 | 82 | 1/4 |
| #2 | 7/62 | 7/69 | 3/32 | 82 | 7/32 |
| #1 | 8/77 | 4/45 | 3/37 | 82 | 3/16 |
| #0 | 3/32 | 6/79 | 1/15 | 82 | 5/32 |
Suitable Countersink to Countersink Screws
| Countersink | Screw |
|---|---|
| Flat countersink | Nuts |
| Flat countersink | Cylinder-head screws |
| Countersink / Slotted taper | Countersunk head screws |
| Flat countersink | Hexagon screws |
| Countersink / Slotted taper | Lens countersunk head screws |
| Flat countersink | Round-head screws |
Countersunk Head Screws vs. Non Countersunk Head Screws
| Features | Countersunk | Non-countersunk |
|---|---|---|
| Installation | Flush With Surface | Directly on the Surface |
| Application | Metalworking, Carpentry | Woodworking & DIY projects |
| Head Shapes | Flat, Conical | Round, Not Tapered |
Countersunk Bolt Dimensions
Countersunk Bolt Manufacturer in India Gives Dimension Chart For Customer Requirements
| Screw Thread (d) | M10 | M8 | M6 | M5 | M4 | M3.5 | M3 | M2.5 | M2 | |
|---|---|---|---|---|---|---|---|---|---|---|
| a | Max | 3 | 2.5 | 2 | 1.6 | 1.4 | 1.2 | 1 | 0.9 | 0.8 |
| k | Min | 4.5 | 3.58 | 2.66 | 2.2 | 1.94 | 1.69 | 1.43 | 1.3 | 1.02 |
| Max | 5 | 4.65 | 3.3 | 2.7 | 2.7 | 2.35 | 1.65 | 1.5 | 1.2 | |
| dk | Min | 17.8 | 15.4 | 10.9 | 8.9 | 8 | 6.9 | 5.2 | 4.4 | 3.5 |
| Max | 18.3 | 15.8 | 11.3 | 9.3 | 8.4 | 7.3 | 5.5 | 4.7 | 3.8 | |
| P | Pitch | 1.5 | 1.25 | 1 | 0.8 | 0.7 | 0.6 | 0.5 | 0.45 | 0.4 |
| Socket No. | 4 | 4 | 3 | 2 | 2 | 2 | 1 | 1 | 0 | |
| M2 | Type Z | 9.8 | 8.8 | 6.6 | 4.9 | 4.4 | 4.1 | 3 | 2.8 | 1.9 |
| Penetration depth | Min | 5.1 | 4 | 3 | 2.7 | 2.1 | 1.9 | 1.7 | 1.4 | 0.9 |
| Type H(max) | 5.7 | 4.6 | 3.5 | 3.2 | 2.6 | 2.4 | 2.1 | 1.8 | 1.2 | |
| M1 | Type H | 10 | 8.9 | 6.8 | 5.2 | 4.6 | 4.4 | 3.2 | 2.9 | 1.9 |
| r | max | 2.5 | 2 | 1.5 | 1.3 | 1 | 0.9 | 0.8 | 0.6 | 0.5 |
| Penetration depth | min | 5.19 | 4.15 | 3 | 2.6 | 2.06 | 1.75 | 1.6 | 1.48 | 0.95 |
| Type Z(max) | 5.64 | 4.6 | 3.45 | 3.05 | 2.51 | 2.2 | 2.01 | 1.73 | 1.2 | |
Countersunk Hole Specifications
Installing Countersunk Screws Correctly
Countersunk Bolt Torque Chart
| Torques for Recommended Seating | Tensile Load | |||
|---|---|---|---|---|
| Plated | Unplated | |||
| lbf.In. | N-m | lbf.In. | N-m | kN |
| 5,180 | 585.0 | 6,600 | 746.0 | 371.00 |
| 4,220 | 477.0 | 5,640 | 637.0 | 318.00 |
| 3,190 | 360.0 | 4,250 | 480.0 | 257.00 |
| 2,250 | 255.0 | 3,000 | 340.0 | 202.00 |
| 1,570 | 177.0 | 2,100 | 237.0 | 165.00 |
| 990 | 112.0 | 1,330 | 150.0 | 121.00 |
| 630 | 71.0 | 840 | 95.0 | 88.50 |
| 365 | 41.0 | 486 | 55.0 | 60.90 |
| 186 | 21.0 | 248 | 28.0 | 38.40 |
| 73 | 8.3 | 97 | 11.0 | 21.10 |
| 45 | 5.1 | 60 | 6.8 | 14.90 |
| 22 | 2.6 | 30 | 3.4 | 9.22 |
| 9 | 1.1 | 12 | 1.4 | 5.28 |
Countersunk Hole Size Chart for Socket Flat Head
Countersunk Bolt Manufacturer in India Provides a Vast Variety of Sizes
| Fastener Size (Thread) | Diameter of Pilot Hole (Loose Fit H14) | Diameter of Pilot Hole (Close Fit H12) | Diameter of Countersink | Diameter of Pilot Hole (Normal Fit H13) | Countersink Angle (°) |
|---|---|---|---|---|---|
| M24 | 28 | 25 | 41 | 26 | 90 |
| M20 | 24 | 21 | 40.71 | 22 | 90 |
| M16 | 18.5 | 17 | 33.99 | 17.5 | 90 |
| M12 | 14.5 | 13 | 27.21 | 13.5 | 90 |
| M10 | 12 | 10.5 | 22.73 | 11 | 90 |
| M8 | 10 | 8.4 | 18.25 | 9 | 90 |
| M6 | 7 | 6.4 | 13.71 | 6.6 | 90 |
| M5 | 5.8 | 5.3 | 11.47 | 5.5 | 90 |
| M4 | 4.8 | 4.3 | 9.18 | 4.5 | 90 |
| M3.5 | 4.2 | 3.7 | 6.94 | 3.9 | 90 |
| M3 | 3.6 | 3.2 | 6.94 | 3.4 | 90 |
Countersunk Bolt Shear Capacity
| Bolt Diameter in (Millimeter) | Shear Capacity | |
|---|---|---|
| Double Shear 2 Ps kN | Single Shear Ps kN | |
| 30 | 180 | 89.8 |
| 27 | 147 | 73.4 |
| 24 | 113 | 56.5 |
| 22 | 97.0 | 48.5 |
| 20 | 78.4 | 39.2 |
| 16 | 50.2 | 25.1 |
| 12 | 27.0 | 13.5 |
Types of Countersunk Bolt
Countersunk Bolt Manufacturer in India Offers Many Types of Bolts That Are Frequently Used
SS 304 Countersunk Anchor Bolts
316L Stainless Steel Countersunk Allen Bolt
UNS S31700 Countersunk Lag Bolt
A325 Countersunk Bolts
Stainless Steel Countersunk Bolts
Countersunk Head Bolts
Countersunk Wood Bolt
Countersunk Threaded Bolt
Countersunk Toggle Bolt
Countersunk Blind Bolt
Countersunk Barrel Bolt
Flat Head Countersunk Bolt
Types of Counter Sunk Screws
Countersunk Bolt Manufacturer in India Provides a Wide Range of Regularly Used Screws Types
SS Counter Sunk Screws
316 SS Countersunk Self Tapping Screws
AISI 304L Countersunk Concrete Screws
WNR 1.4541 Countersunk Tek Screws
SS Countersunk Head Screws
Stainless Steel 904L Countersunk Lag Screws
Countersunk Flat Head Screw
Countersunk Tapping Screw
Brass Countersunk Screws
Stainless Steel Countersunk Screws
Countersunk Cap Screw
Countersunk Wood Screw
Brass Countersunk Machine Screws
ASTM A193 Grade 347 Countersunk Screws
Countersunk Screws for Wood