Skip to main content

FIRMFIT BY HIGRON

Higron is a distinguished leader in the screws and fasteners industry, channelling its extensive expertise and innovative prowess into its premier brand, Firm-Fit. This brand represents the pinnacle of Higron’s commitment to excellence, engineering fasteners that are not only essential for a wide range of construction and manufacturing projects but also set the standard for quality and reliability in the sector.

OUR MAIN PRODUCTS ARE:

  • Bolts, Nuts, and Washers
  • Self-Drilling Screws
  • Self-Tapping Screws
  • Machine Screws
  • U-Bolts

STANDARDS WE FOLLOW:

General Engineering Grades: BS 4190 & BS 3692 (4.6, 4.8, 5.6, 8.8 and higher grades 10.9, 12.9)
Petrochemical Grades: ASTM-A193 (B5, B6, B7, B7M, B16, B8, B8M), A194 (2H, 7, 7M, 8M, 8MA), A320 (L7, L7M, B8, B8M)
Structural Bolting Grades: A453 (660, 651, 662, 665), SS304, SS310, SS316, A321, UNS 32760 etc.
We also manufacture non-standard products as per your requirements.

PRODUCTS

RUSPERT HEX WASHER HEAD SELF DRILLING SCREWS WITH EPDM WASHER

SPECIFICATION H.W.H HEAD SDS
MATERIAL CARBON STEEL/SS
SURFACE TREATMENT ZINC PLATED/RUSPURT/ YELLOW ZINC/E-COATING
DIA 4.2/4.8/5.5/6.3
LENGTH 19-400MM

CSK WING TEK SD SCREWS

SPECIFICATION COUNTERSUNK RIBBED
MATERIAL CARBON STEEL/SS
SURFACE TREATMENT ZINC PLATED
GAUGE 8-18, 10-16
LENGTH 19-100MM

WAFER HEAD PHILLIPS SD SCREW

SPECIFICATION WAFER HEAD
MATERIAL CARBON STEEL/SS
SURFACE TREATMENT ZINC PLATED
GAUGE 8-18, 10-16
LENGTH 25-75MM

BULGE HEAD PHILLIPS SD SCREW

SPECIFICATION BULGE HEAD
MATERIAL CARBON STEEL/SS
SURFACE TREATMENT ZINC PLATED
GAUGE 8-18, 10-16
LENGTH 25-75MM

GALVANIZED HEX LAG SCREW

SPECIFICATION HEX HEAD
MATERIAL CARBON STEEL/SS
SURFACE TREATMENT ZINC PLATED
DIA 1/4-7/8โ€
LENGTH 1-6โ€

SELF TAPPING PHILIPS SCREWS

SPECIFICATION BUTTON/COUNTERSUNK/PAN/UNDERCUT
MATERIAL CARBON STEEL/SS
SURFACE TREATMENT ZINC PLATED
GAUGE 4-14
LENGTH 1/2-2โ€

HEXAGONAL BOLTS

SPECIFICATION HEX HEAD
MATERIAL MS/SS
SURFACE TREATMENT HDG/ZINC PLATED
DIA M6-M24
LENGTH 10-100MM

METAL THREAD MACHINE SCREWS

SPECIFICATION BUTTON/COUNTERSUNK/PAN/CAP HEAD
MATERIAL CARBON STEEL/SS
SURFACE TREATMENT ZINC PLATED
GAUGE M3-M16
LENGTH 6-100MM

HEXAGONAL NUTS

SPECIFICATION HEX HEAD/HEX FLANGE HEAD
MATERIAL CARBON STEEL/SS
SURFACE TREATMENT HDG/ZINC PLATED
DIA M6-M24

ANCHOR BOLTS

SPECIFICATION DUAL THREAD END/HOLD DOWN TYPE
MATERIAL CARBON STEEL/SS/MS
SURFACE TREATMENT ZINC PLATED/HDG
GAUGE M3-M16
LENGTH 6-100MM

WASHERS

SPECIFICATION FLAT/SPRING/LOCK
MATERIAL CARBON STEEL/SS/MS
SURFACE TREATMENT HDG/ZINC PLATED
DIA M3-M24