3. INTRODUCTION
We wish to introduce ourselves as a leading manufacturer of GEAR HOBS, GEAR SHAPER, MILLING
CUTTER & RACK CUTTER in class “AA”, “A”, “B” & “C” in all profiles i.e. Involute Gear Spline,
Straight Spline, with all the features of Pre-Shaving, Protuberance, Topping, Semitopping, with
champers in Single or Multi-start design confirming to tolerances of DIN 3968.
We also manufacture Involute Gear Cutter in D.P. & Module upto Dia.300mm and in no. sets and hob
profiles, all kinds of special form cutters & Gear Shaper are also manufactured as per drawing /
sample provided by customer.
We are fully equipped to design and manufacture of Hobs Cutters from 0.5 Module to 25 Module, for
given gear or drawing thereof, hob cutters are manufactured from the finest grades of imported High
Speed Steel and are best heat treated for its optimum cutting efficiency.
We have complete Plant & Machinery with full fledged inspection equipments. We have experience of
15-20 years in designing, manufacturing & inspection of HOB, GEAR SHAPER, MILLING CUTTERS &
RACK CUTTER and have employed highly skilled staff. We are successfully supplying these tools to
various Automobile Industries, Industrial Gear Companies, and other sectors all over India. So we
request your goodself to forward us your valued Enquiries/Orders along with components
drawing to enable us to quote you our most competitive rates.
We shall appreciate if you kindly make it convenient to enrol our name in your mailing list for any
type of above items required by you so as to establish our business relation with your esteemed
organization.
Thanking You,
Yours faithfully,
For EXPERT TOOL INDUSTRIES
MAHESH DIGRASKAR
4. H.S.S. HOB:
We manufacture Gear Hobs for various types of gears
namely Spur gear, Helical gear, Chain sprocket, Straight
sided spline, Involute spline, Serrations, Ratchet, Worm
wheel, Timing (Timer) Pulley hob.
H.S.S. HOBS
SOLID GEAR HOB
We manufacture Involute spur and helical gear Hob.
Gear Hob manufacturing according to DIN-3968
Class-”AA”, “A”, “B” & “C” Single thread and multiple threads.
Type of Hob profile:- Finishing, Non topping, Topping, Semi
topping, Preshaving, pregrinding, pregrinding with
protuberance, pre shaving with protuberance.
From 0.3 module to 24 module in accuracy class ‘C’ to ‘AA’
SOLID GEAR HOB with finishing, pregrinding or roughing profiles with various
profile design modifications such as semitopping,
protuberance, tip relief.
5. CHAIN SPROCKET HOB
We manufacture Chain Sprocket Hob according
to DIN, BS, ASI, JIS, standards Type of
profile Non topping, Topping, “S” type & “U”
type etc.¼” Pitch to 3” pitch
CHAIN SPROCKET HOB
STRAIGHT SIDED SPLINE HOB
For generating parallel or angular splines;
straight or helical splines offered with profile
modifications like semitopping, undercutting,
shoulder clearance, etc. Finishing or pregrinding
hobs are offered with precision unground or
ground profile depending on component
accuracy.
STRAIGHT SIDED
SPLINE HOB
6. Serration hob
We manufacture serration hob according to DIN, BS
ASI, IS, standards Profile in class “A” “B” & “C” Pitch
size minimum 1mm
Serrations Hob
Worm wheel Hob
To achieve desired contact patterns – prime
requirement on hobbed worm gears, Expert Tool
Industries have developed their expertise through long
extensive mathematical modelling, data simulation and
practical applications. Hobs can be hollow type or
integral shank type depending upon strength
constraints. Tangential, radial, topping or non-topping
hobs and special reaming type finishing hobs are also
offered.
Worm wheel Hob
7. Timer Pulley Hob
We manufacture timing pulley hob -
Type of Profile Topping, Finish, flat, HTD, AT, T, S, DT,
etc.
Timer Pulley Hob Accuracy class “C” To “AA”
GEAR SHAPER CUTTER
We manufacture Gear shaper cutter Such as Disc type,
Hub type, Shank type & helical gear shaper cutters.
Class of Accuracy “A” & “AA” According to DIN-1829
Type of:- profile Non topping, topping, semi topping tc.
Mfg. Range:-0.5 module to 16 module,
Diameter 25mm to 315mm.
GEAR SHAPER CUTTER
8. MILLING CUTTER
MILLING CUTTER
We manufacture Milling Cutters -
Such as Form milling cutter, thread milling cutter, worm
milling cutter, Sprocket milling cutter, spline milling cutter,
convex cutter, concave cutter, single angle and equal
angle cutter, side & face, stagger teeth milling cutter,
serration cutter, hacksaw blade, band saw blade cutter,
cylindrical cutter, shell and mill cutter, slitting saw cutter
etc.
Type of profile:-Non topping, topping, semi topping,
Any Special profile, etc.
Mfg. range:-25mm diameter. To 250mm diameter.
FORM TOOL
We manufacture all type form tool on optical
profile grinding machine as per drawing,
sample provided by customer.
Front relief angle 35°Max.
FORM TOOLS Side relief angle 10° max.
9. RESHARPENING
We are also doing resharpening work of
Hobs, Milling Cutters, Shank Type Hobs,
Gear Shaper Cutters, Slitting Saw Cutters etc.
