A Countersunk Bolt is used to join or fasten components, like most conventional fasteners do. However, using stainless steel countersunk bolts has the extra advantage of being perfect for situations that require a flatter surface area. In general, the heads or tops of bolts or screws are always visible on the workpiece's surface. In some cases, the use of common bolts gives the worksurface an uneven or even messy appearance.
Therefore, every Countersunk Bolts maker in India recommends using it, especially if the surface needs to be even and smooth. When dealing with burred holes, these stainless steel countersunk screws may also be quite helpful. You must first machine the hole in order to use stainless steel countersunk bolts and nuts. It is essential to machine a hole into the workpiece so that it can readily accept the angle of the M6 head on the stainless steel countersunk bolts. It is insufficient to fasten these bolts using specific tools. For instance, 6mm stainless steel countersunk bolts are utilised with the appropriate tools, such as a cross-hole and a fluted countersink cutter.
These cutters can efficiently bore through wood or metal so that the stainless steel countersunk Allen bolts may simply fit into the cone seating that has already been created. Stainless Steel Countersunk Bolts Dimensions are typically made at an angle where the head angles at around 80 degrees. The Black Stainless Steel Countersunk Bolts are frequently used in applications like walkways, railings, and bridge decking.
| standard | ISO 10642 |
|---|---|
| British standards | BS 57 |
| Size |
M2, M3, (M3.5), M4, M5, M6, M8, M10, M12, (M14), M16, (M18), M20, (M22), M24, (M27), M30, M33, M36, M42, (M45), M48 to M160 and Custom Sizes |
| Length | 3 mm to 200 mm |
| Stainless Steel Threads: | METRIC, BSW, BSF, UNC, UNF or as required |
| Standard: |
DIN, ISO, JIS, GB, IS, BS, ASTM and all International Standards |
| DIN Standard | B.S. DIN 933, DIN 931, DIN 934, DIN 912, DIN 603, DIN 6923, DIN 970, DIN 7981, DIN 7982, DIN916, DIN 913, DIN 7985 |
| UTS – Unified Thread Standard | UNC, UNF, UNEF, UNS, NPT, NPTF |
| Dimensions | ASME B18.6.3 **Exception: screws 6 inches and shorter are fully threaded. |
| Tolerance | +/-0.01mm to +/-0.05mm |
| Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe, etc |
| Type | Pan/ Round/ Oval/ Hex Head/ Truss head |
| Head | Pan head, flat head, oval head, hex head, phillips head |
| Finishing: | Zinc (yellow, white, blue, black), black oxide Geometry, Dacroment, anodizing, nickel plated, plated zinc-nickel, Stainless steel: Passivated Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Stainless Steel, Mechanically Applied coating and some special one like DACROMET |
| Finish | Per ASTM A380/A380M |
| Production process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing |
| Surface treatment |
|
| Top Manufacturers | SPAX® Screws, GKW, Unbrako, Kundan, APL, Sundaram Precision, Infasco, EBY Fastener Etc. |
| MOQ | 5 pieces |
| Test Certificate: |
|
| Free Samples | Yes |
| Delivery time | Regular product is about 7-15 days, custom product will according to special requirement |
| Payment Terms | T/T, Paypal, Western Union, L/C or Trade Assurance 30% deposit & balance before shipping |
| Uses & application | Railway, Wind tower, Nuclear power, Automotive industry, Construction, Electronic industry |
| Products | Country |
|---|---|
| M8 M10 Stainless Steel Hex Socket Countersunk Bolt | Norway, Netherlands, Turkey, Malaysia |
| DIN 7991 Hex Socket Flat Countersunk Head Bolt | Canada, UK, Ellington -United States |
| DIN 608 Black Oxide Countersunk Head Square Neck Bolt | Philippines, Europe, Poland, Japan |
| ISO 10642 Countersunk Head Hex Bolt Gr10.9 M36X485 | Chile, Iran, Singapore, Italy |
| DIN 963 Stainless Steel Slotted Countersunk Head Bolts | Thailand, Czechia, Germany |
| ASME B18.2.1 | 3/8 inch to 3 inch |
| BS 1769 | ½ inch to 2 inch |
| ASME B18.2.3.6M | M12 to M36 |
| ASME B18.2.3.7M | M16 to M36 |
| DIN 6914 | M12 to M36 |
| ISO 7412 | M12 to M36 |
| UNI 5712 | M12 to M36 |
| DIN-EN 14399-4 | M12 to M36 |
| Bolt Diameter | D | F | H | |||
|---|---|---|---|---|---|---|
| Body Diameter | Head Diameter | Head Height | ||||
| Max | Max Edge Sharp | Min Edge Sharp | Absolute Min Rounded | Max | Min | |
| 1⁄2 | 0.515 | 0.935 | 0.905 | 0.845 | 0.269 | 0.233 |
| 5⁄8 | 0.642 | 1.169 | 1.132 | 1.066 | 0.336 | 0.292 |
| 3⁄4 | 0.768 | 1.402 | 1.357 | 1.285 | 0.403 | 0.349 |
| 7⁄8 | 0.895 | 1.637 | 1.584 | 1.511 | 0.470 | 0.408 |
| 1 | 1.022 | 1.869 | 1.810 | 1.735 | 0.537 | 0.466 |
| 11⁄8 | 1.149 | 2.104 | 2.037 | 1.962 | 0.604 | 0.525 |
| 11⁄4 | 1.277 | 2.337 | 2.262 | 2.187 | 0.671 | 0.582 |
| 13⁄8 | 1.404 | 2.571 | 2.489 | 2.414 | 0.738 | 0.641 |
| 11⁄2 | 1.531 | 2.804 | 2.715 | 2.640 | 0.805 | 0.698 |
|
Material
|
Standards
|
Grades
|
|---|---|---|
|
Nickel Alloy |
ASTM / ASME SB 160 / 164 / 425 / 166 / 446 / 574 / 472
|
UNS 2200 (NICKEL 200) / UNS 2201 (NICKEL 201), UNS 4400 (MONEL 400), UNS 8825 (INCONEL 825), UNS 6600 (INCONEL 600) / UNS 6601 (INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276), UNS 8020 (ALLOY 20 / 20 CB 3)
|
|
Stainless Steel
|
ASTM / ASME A/SA 193 / 194
|
B 8 (304), B 8C (SS 347), B 8M (SS 316), B 8 T (SS 321), A 2, A 4
|
|
Alloy Steel
|
ASTM / ASME A/SA 193 / 194 GR
|
B 6, B 7/ B 7M, B 16, 2, 2HM, 2H, GR 6, B 7, B 7M
|
|
Duplex Steel
|
UNS NO. S 31803, S 32205
|
Range: M10 TO M100, LENGTH UPTO 5 METERS
|
|
Nonmetallic Materials:
|
Acrylic, Kel-F, Lexan, Polypropylene, Poly Vinyl Chloride, Teflon, Zytel 31, 101, 105 | |
|
High-Temp Alloys
|
Discaloy, 19-9 DL, 16-25-6, A286, Titanium, Nimonic 80, Mulitmet, Haynes 25, Greek Ascalloy, Unitemp 252, Udimet 500, Rene 41, Inco 700, Inco 901, Hastelloy X, 235, Waspaloy, RA 330 | |
|
Copper Base Alloys
|
Copper, Brasses: Yellow, Free-cut, Red, Naval, Bronze: Commercial, Phosphor, Silicon A & B, Aluminum, Silicon-Aluminum, Manganese, Ampco Alloys, Munitz Metal, Cupro-Nicles | |
|
Aluminum Alloys:
|
1100, 2011, 2014, 2017, 2024, 3003, 5052, 6053, 6061, 7075 | |
|
Trademarks:
|
Carpenter, Armco, INCO, Cabot, DuPont. | |
|
Finish:
|
Black Oxide, Zinc Plating, Hot Dip Galvanized | |
