Gear Hobs

SRK Tools manufactures gear hobs for generating spur & helical gears of maximum accuracy with finishing, pre-shaving, pre-grinding in various profiles like with or without protuberances, semi-topping, and Tip Relief profiles.

Hobs are produced in bore or shank type in single or multi-threads up to accuracy class of AAA.

Types: Bore & Shank
Module Range: 0.25 to 33 Module
DP Range: 0.75DP to 100 DP
Maximum Diameter: 330mm
Maximum Length: 380mm
Accuracy class: AAA, AA, A & B as per DIN3968
Materials: S390 / ASP2052 / ASP2030 / S290 / ASP2060 / M35 / M2
PVD Coatings: TiN, Alcrona Pro & Altensa
Standards: DIN 3972, DIN 867, DIN 8000, IS8731, ISO 53, GOST 6637, GOST 9324, GOST 13755
Hob standards: DIN8002, IS8732, JIS B 4201

INVOLUTE SPLINE & SERRATION HOBS

SRK Tools manufactures hobs for cutting involutes splines with semi-topping, Shoulder clearance profiles in single or multi-thread designs.

Involute Splines standards: DIN 5480, DIN 5482, ANSI B92.1, B92.2, BS3550, GOST-6033

SRK Tools manufactures hobs for Straight Sided & Involute serrations as per Standards DIN 5481.

PARALLEL SPLINE HOBS

SRK Tools manufactures hobs for parallel splines with special profiles Lugs, undercut & shoulder clearance types.

Hobs are produced for various standards DIN 5461, DIN5462, DIN5463, DIN5464, DIN5465, DIN 5471, DIN 5472, DIN 9611, ISO 14, UNI 220, UNI 221, UNI8953.

Special Features: Lugs & Shoulder clearance types.

CHAIN SPROCKET HOBS

SRK Tools manufactures hobs for automotive & industrial Roller Chain as per various standards and non-standard forms.

Hobs are specially designed in multi-threads for high productivity for the automotive segment.

Sprocket Pitch Range: up to 3” or 76.2mm.
Standards: ANSI, ASA, IS, DIN, JIS-B
Types: Topping & Non-topping
Threads: Single or multi-threads for high-speed cutting.

WORM GEAR HOBS

SRK Tools manufactures hobs for Worm Wheel gears for various profiles like ZI, ZN, ZK & ZA in bore & shank type in single or multiple threads up to lead angle of 45°.

Hobs are produced for both the types of cutting methods Tangential and Radial feed types.

Maximum Lead Angle: 45°
Types: Bore or Shank type
Single or Multiple threads
Hobs are made in diameters as small as 8mm in the teeth cutting portion.

SPECIAL PROFILE HOBS

SRK Tools manufactures hobs for special profiles for various components like missing teeth, slack adjustors, engaging gear components, etc.

TIMING PULLEY HOBS

SRK Tools manufactures Timing pulley hobs for various belts & Pulleys in Involute & HTD profiles; made in topping & non-topping designs.

Profile Types:

  • Involute profiles like ‘T’ & ‘S’
  • HTD
  • Linear pulleys like MXL, XL, L, H, XH, XXH

Hobs are made for standards BS4548, DIN7721, ISO5294, ISO5296, ISO17396, Super Torque Timing belt.