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Super Spade Drills - manufacturers, suppliers and exporters in India
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Super Spade Drills

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344
Manufacturing Country :
Mumbai
Product Description
INTRODUCTION
Spade Drills are a known device which in manyways surpasses twist Drills in range 24 mm onwards as under :

 

OPERATIONAL
1) Greater inherent Rigidity.
2) Heavier feed rates more than compensate for 10 % to 15 % reduction in RPM hence.
3) Faster production
4) More chip clearance also adds to production speed.

 

ECONOMICAL
1) Two piece construction i.e.shank & blade affords many sizes in only one shank.
2) Blades can be replaced or resharpened.
3) Same blades can be used on short, long & special shanks
4) Depth to diameter ratio in Spade drilling has been achieved upto 20 : 1
5) With special blades, core drilling, counter boring and bottoming to flat or contoured shape can be achieved.
6)

The shanks can vary from straight to tapered, long to Extra long and with Miling Machine application i.e. ISO - 40 etc.

There are two principal parts to a Spade Drill, namely the blade and the holder. The holder has a slot into which the blade fits, a wide slot at the back of the blade engages with a tongue in the holder slot to accurately locate the blade. A retaining screw holds the two parts together.
The blade is usually High Speed Steel blade or cemented Carbide Tipped blade.
Standard stub, short, long and extra long holders are available, for very deep holes, special holders having wear strips to support and guide the drill are often used. Spade drills can be given with holders having coolant holes to direct cutting fluid, under pressure, to the cutting edge.
Metal separation from the work is achieved in similar manner by both twist drills and spade drills. The two cutting lips separate the metal by a shearing action that is identical to that of chip formation by a single point cutting tool.
A most important feature of the cutting edge is the chip splitter, or chip breaker grooves. Instead of forming a single wide chip these grooves cause several chips to be readily disposed.
We have the pleasure to present to you spade drills ranging from 24 mm to 140 mm in eight shanks. You can have it with carbide tipped blades or H.S.S. blades.
With ever rising prices we assure you to reduce your drilling cost by 50%
 

Code No.
Range D
STD (STUB)
EXTRALONG IS 5103
M.T.
  OVER UPTO INCL L OAL I L OAL I  
SSD - 1 18 22 150 70 248 168 2
SSD - 2 22 28 161 81 291 211 2
SSD - 3 28 35 192 93 339 240 3
SSD - 4 35 44 199 100 364 265 3
SSD - 5 44 53 219 120 412 313 3
SSD - 6 53 60 269 145 422 298 4
SSD - 7 60 68 289 165 437 313 4
SSD - 8 68 77 299 175 442 318 4
SSD - 9 77 85 345 189 447 291 5
SSD - 10 85 92 376 214 455 299 5
SSD - 11 92 100 390 234 455 299 5
SSD - 12 100 110 418 262 470 314 5
SSD - 13 110 120 445 289 470 314 5
SSD - 14 120 130 455 299 470 314 5
SSD - 15 130 140 455 299 470 314 5

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