SST+ 135° Jobbers, Fractional

For high tensile steel

Walter SST+ drill bits are made with a cobalt blend to drill even more holes faster on any type of material.

Features

  • "High flow" flute design
  • Drills more holes, faster
  • Heavy-duty fully ground body construction
  • Special bronze SST surface treatment

Materials

  • Mild steel
  • Non-ferrous metal
  • Stainless steel

Technical Specifications

Drill size
Flute Length
Overall length
Order No
Min. Pkg.
List Price
Order
1/64 " 3/16 " 13/16 " 01-A 501 10 3.20
1/32 " 3/8 " 1-3/16 " 01-A 502 10 3.20
3/64 " 5/8 " 1-1/2 " 01-A 503 10 3.20
1/16 " 13/16 " 1-11/16 " 01-A 504 10 3.20
5/64 " 15/16 " 1-15/16 " 01-A 505 10 3.20
3/32 " 1-3/16 " 2-1/4 " 01-A 506 10 3.20
7/64 " 1-5/16 " 2-3/8 " 01-A 507 10 3.70
1/8 " 1-7/16 " 2-9/16 " 01-A 508 10 3.70
9/64 " 1-9/16 " 2-3/4 " 01-A 509 10 3.80
5/32 " 1-11/16 " 2-15/16 " 01-A 510 10 4.30
11/64 " 1-7/8 " 3-1/8 " 01-A 511 10 4.40
3/16 " 2-1/16 " 3-3/8 " 01-A 512 10 5.15
13/64 " 2-1/16 " 3-3/8 " 01-A 513 10 5.80
7/32 " 2-1/4 " 3-11/16 " 01-A 514 10 6.35
15/64 " 2-1/4 " 3-11/16 " 01-A 515 10 6.65
1/4 " 2-1/2 " 4 " 01-A 516 10 7.60
17/64 " 2-11/16 " 4-5/16 " 01-A 517 10 9.00
9/32 " 2-11/16 " 4-5/16 " 01-A 518 10 9.20
19/64 " 2-15/16 " 4-5/8 " 01-A 519 10 10.70
5/16 " 2-15/16 " 4-5/8 " 01-A 520 10 11.00
21/64 " 2-15/16 " 4-5/8 " 01-A 521 10 13.50
11/32 " 3-3/16 " 4-15/16 " 01-A 522 10 14.50
23/64 " 3-3/16 " 4-15/16 " 01-A 523 10 16.00
3/8 " 3-7/16 " 5-1/4 " 01-A 524 10 16.00
25/64 " 3-7/16 " 5-1/4 " 01-A 525 5 19.00
13/32 " 3-7/16 " 5-1/4 " 01-A 526 5 19.80
27/64 " 3-11/16 " 5-9/16 " 01-A 527 5 21.40
7/16 " 3-11/16 " 5-9/16 " 01-A 528 5 23.00
29/64 " 3-11/16 " 5-9/16 " 01-A 529 5 25.00
15/32 " 4 " 5-15/16 " 01-A 530 5 27.00
31/64 " 4 " 5-15/16 " 01-A 531 5 28.50
1/2 " 4 " 5-15/16 " 01-A 532 5 28.50

Applications

  • Drilling of round surfaces
  • Drilling with stationary machines

Tips

  • Large diameter bits; low speed, high feed
  • Small diameter bits; high speed, low feed