Stainless Steel Double End Threaded Stud Screw Bolt

Double Ended Bolt Snap Stainless Steel Manufacturer and Supplier in india

A bolt that has got threaded on both of the ends with approximately equal length of the thread is termed as Double End Bolt. These bolts are having shank of standard diameter. Generally, these bolts are used for high strength bolting. It has got threads on both the ends and screw can be fastened into either of the ends, so it is said to be as a double ended bolt screw.  A rod that has got snap on its both ends is said to be a double ended bolt snap. This double ended bolt snap are primarily used as a hook for diving or scuba diving as these are very good at taking loads. These double ended when made up of stainless steel are also durable and resistant to rust and dust. So Double ended bolt snap stainless steel is a better option. 

Double End Threaded Stud Screw Bolt are kind of fastener that has approximate or mostly equal length of thread on its both ends. The basic application of this is in fasting and giving high strength to the structure.
These double ended bolts classify basically on the basis of diameters. A double ended bolt is stated as M4 Double ended bolt. These M4 are basically used for woodworking. The bolt that has diameter of 5mm (.1969 inches) is stated to be as M5 Double ended bolts. Double ended bolts that has diameter of 10mm are treated as one of the most heavy duty bolts. These are used for longer penetration and better fastening. These are said as M10 double ended bolt.

Some double ended bolts are not threaded and some are threaded. Bolts those are threaded on both of its ends are also classified on the basis of number of threads it has. The higher number of thread it has is higher the penetration and lock-in capacity will be there of that particular bolt. One should keep the number of threads while purchasing a double end threaded bolt.


Double Ended Bolt
Double Ended Bolt
Double End Threaded Stud Bolt
Double End Threaded Stud Bolt
M8 Double Ended Bolt
M8 Double Ended Bolt


Check m4/m5/m10 Double Ended hex/ Allen bolt Size and Weight chart online


Specification List of Double Ended Bolt

standard ISO 10642
British standards BS 57
  • Cold Froging : M2-M24
  • Hot forging M24-M100, 1-1/2” Dia, up to 1100mm lg
  • Machining and CNC for Customized connecting element: up to M100 / 4” Dia, up to 1500mm lg

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
Threads: METRIC, BSW, BSF, UNC, UNF or as required
  • ISO 14585C ~DIN 7981C
  • DIN 7973C ~ISO 1483
  • DIN 7983C ~ISO 7051
  • ISO 4762, ISO 2009, ISO 7050, ISO 14587, ISO 14587, ISO 14584, ISO 14582
  • ANSI B18.3.1M
  • ASME B18.6.3
  • GB/T5782, GB/T5783, GB5783

DIN, ISO, JIS, GB, IS, BS, ASTM and all International Standards, ANSI – American National Standards Institute

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.
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
Finish Per ASTM A380/A380M
Production process Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing
Top Manufacturers SPAX® Screws, GKW, Unbrako, Kundan, APL, Sundaram Precision, Infasco, EBY Fastener Etc.
MOQ 5 pieces
Test Certificate:
  • Manufacturer Test Certificate as per EN 10204 / 3.1,
  • Tensile testing to ISO 898-1
  • Nut proof load testing to ISO 898-2
  • Suitability for preloading to EN 14399-2
  • Suitability test for calibrated preload to EN 14399-10
  • Charpy Impact testing in accordance with ISO 148-1
  • Hardness testing to ISO 6508-1
  • Tri-Roll Thread Comparators
  • Calibrated gauges and tools
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

Size Range of Double End Threaded Stud Bolt

  • Metric Size: M10 to M100
  • Imperial Size: 3/8 to 8"


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M8 Double Ended Bolt Material


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
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
Carpenter, Armco, INCO, Cabot, DuPont.
Black Oxide, Zinc Plating, Hot Dip Galvanized


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Available Standard of Double Ended Lag Bolt

  • ISO 14585C ~DIN 7981C
  • DIN 7973C ~ISO 1483
  • DIN 7983C ~ISO 7051
  • ISO 4762, ISO 2009, ISO 7050, ISO 14587, ISO 14587, ISO 14584, ISO 14582
  • ANSI B18.3.1M
  • ASME B18.6.3
  • GB/T5782, GB/T5783, GB5783


Know more about application of Double Ended Connecting and Lag Bolt, Always refer Double End Hex Bolt Dimensions


Tolerance of Double Ended Hex Bolt

Tolerance +/-0.01mm to +/-0.05mm