Penta Head Bolts Manufacturer In India

Pioneer Penta Head Security and Lag Bolts Socket Manufacturer and Suppliers

Penta bolts are built with pentagonal heads and signifies the fastener exhibit five sides. As per Manufacturers the Penta Head Bolts are claimed to be tamper resistant. As an outcome the use of traditional hardware shop tools could not release these screws in any manner. The bolt-head is shaped like a pentagon so it is unable to use ordinary wrench or socket sets on these bolts. The bolts can be removed with a specific pentagon-shaped socket. The clamp or wrench used for these attachments must comply with the Penta Head Bolt Dimensions. The usage of these fasteners is often linked to the fortification of manhole covers and floor coverings., nor is they commonly purchased in retail outlets. As they are free from tampering, the manufacturers of Penta Head Bolts frequently recommend their usage in situations requiring high safety levels. These Penta Head Security Bolts have a diameter between 3/8 inch and 2.5 inch.  

The array of fasteners is offered with coatings or electrical panels and these treatments may also be used on the shell of the Penta-head cabinet door bolts. Coating or applying certain surface treatments to Penta Head Lag Bolts enhances certain of its mechanical qualities and its corrosion resistance. 

The Penta Head Bolt Socket's zinc coating boosts strength by making it hard while enhancing its oxidation corrosion resistance to some extent. Different specialist treatments available for the fixing systems, it is feasible to request the usage of customized treatment of fasteners from the Penta Head Bolts Suppliers.

Penta Head Bolts Stainless Steel are obtainable on the market as well alloy steel and carbon steel. The Penta bolt are available with 2 dimensions 1/2 Penta Head Bolt and 3/8 Penta Head Bolt.


Penta Head Bolt
Penta Head Bolt
Penta-Head Security Bolt
Penta-Head Security Bolt
Stainless Steel Penta Head Bolt
Stainless Steel Penta Head Bolt


India's largest stock of Penta-head Cabinet Door Bolts according to European and international standards


Specification Table of Penta Head 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

Penta Head Security Bolts Manufacturing Standards

  • IS 1363 / 1364 / 2585 / 3138 / 3640 / 10238 Penta Bolts
  • DIN 931 / 933 / 960 / 961 / 7990 / 610 Penta Bolts
  • BS 1083 / 1768 Penta Bolts
  • ANSI B18.2.1 Penta Bolts
  • ASTM A307 Penta Bolts
  • IS 3757 / 6639 Penta Bolts
  • DIN 6914 / 6915 Penta Bolts
  • ISO 7412 Penta Bolts
  • ASTM A325M / A490M Penta Bolts
  • BS 1769 Penta Bolts


Select your size in our online inventory of volvo penta 3.0 head bolts at best price


Available Material of Penta Head Lag Bolts


Nickel Alloy Penta Bolts

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


Best Price Guarantee with Mill Test Report of 1/2 and 3/8 penta head bolt online


Surface treatment of Stainless Steel Penta Head Bolt

  • Polish
  • Passivation
  • Anodizing
  • Sand blasting
  • Heat-disposing
  • Hot-dip galvanizing
  • Rust preventive oil
  • Black oxide coating
  • Ruspert coating screws
  • Electroplating (color, blue, white, black zinc, Ni, Cr, tin, copper, silver)


Refer Volvo Penta Head Bolt Torque, Specifications and Price List


Applications of Penta Head Bolt Socket

  • Railway
  • Wind tower
  • Nuclear power
  • Automotive industry
  • Construction
  • Electronic industry