GY-HSR HSS Tapper Shank Extra Long

As per IS: 7822

HSS Taper Shank Drills (Extra Long Series) are high-performance cutting tools specifically designed for drilling extremely deep holes where standard lengths cannot reach. Manufactured to meet rigorous DIN 7822 and BS 328 standards, these drills provide the stability and reach required for heavy-duty industrial applications.

Key Features

  • Premium HSS Construction: Forged from high-grade High-Speed Steel for superior hardness and wear resistance at elevated temperatures.
  • Advanced Heat Treatment: Subjected to precision-controlled heat treatment cycles to ensure consistent material integrity and a long service life.
  • CNC Precision Geometry: Produced on state-of-the-art CNC machinery to provide accurate point angles and flute profiles for effortless penetration.
  • Optimized Point Angles: Available in 118° and 135° point angles to suit various material hardness levels and specialized drilling requirements.
  • Enhanced Productivity: Engineered to deliver a higher number of holes per drill, significantly reducing tool replacement costs and downtime.
Technical Specifications
  • Standards: DIN 7822 / BS 328
  • Shank Type: Morse Taper (MT1 – MT5)
  • Material: High-Speed Steel (HSS)
  • Series: Extra Long Series for deep-bore accessibility
TECHNICAL SPECIFICATION FOR COARSE PITCH
SIZE OVERALL LENGTH (mm)
(mm) (inch)
3.00 1/8 200 225
3.50 200 225
4.00 5/32 200 225
4.50 200 225
5.00 3/16 200 225
5.50 7/32 200 225
6.00 200 225
6.50 1/4 200 225
7.00 200 225
7.50 200 225
8.00 5/16 200 225
8.50 200 225 250 275 300 315 325
9.00 200 225 250 275 300 315 325
9.50 3/8 200 225 250 275 300 315 325
10.00 200 225 250 275 300 315 325 350 375 400
10.50 200 225 250 275 300 315 325 350 375 400
11.00 200 225 250 275 300 315 325 350 375 400
11.50 7/16 200 225 250 275 300 315 325 350 375 400
12.00 225 250 275 300 315 325 350 375 400
12.50 1/2 225 250 275 300 315 325 350 375 400
13.00 250 275 300 315 325 350 375 400
13.50 250 275 300 315 325 350 375 400
14.00 250 275 300 315 325 350 375 400
14.50 9/16 250 275 300 315 325 350 375 400
15.00 250 275 300 315 325 350 375 400
15.50 250 275 300 315 325 350 375 400
16.00 5/8 250 275 300 315 325 350 375 400
16.50 250 275 300 315 325 350 375 400
17.00 250 300 315 325 350 375 400
17.50 11/16 300 315 325 350 375 400
18.00 300 315 325 350 375 400
18.50 300 325 350 375 400
19.00 3/4 300 325 350 375 400
19.50 300 325 350 375 400
20.00 300 325 350 375 400
20.50 13/16 300 325 350 375 400
21.00 300 325 350 375 400
21.50 300 325 350 375 400
22.00 7/8 300 325 350 375 400
22.50 300 325 350 375 400
23.00 300 325 350 375 400
23.50 15/16 300 325 350 375 400
24.00 300 325 350 375 400
24.50 300 325 375 400
25.00 300 325 350 375 400