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 2.85
1/32 " 3/8 " 1-3/16 " 01-A 502 10 2.85
3/64 " 5/8 " 1-1/2 " 01-A 503 10 2.85
1/16 " 13/16 " 1-11/16 " 01-A 504 10 2.85
5/64 " 15/16 " 1-15/16 " 01-A 505 10 2.85
3/32 " 1-3/16 " 2-1/4 " 01-A 506 10 2.85
7/64 " 1-5/16 " 2-3/8 " 01-A 507 10 3.25
1/8 " 1-7/16 " 2-9/16 " 01-A 508 10 3.25
9/64 " 1-9/16 " 2-3/4 " 01-A 509 10 3.35
5/32 " 1-11/16 " 2-15/16 " 01-A 510 10 3.75
11/64 " 1-7/8 " 3-1/8 " 01-A 511 10 3.85
3/16 " 2-1/16 " 3-3/8 " 01-A 512 10 4.50
13/64 " 2-1/16 " 3-3/8 " 01-A 513 10 5.10
7/32 " 2-1/4 " 3-11/16 " 01-A 514 10 5.65
15/64 " 2-1/4 " 3-11/16 " 01-A 515 10 5.85
1/4 " 2-1/2 " 4 " 01-A 516 10 6.70
17/64 " 2-11/16 " 4-5/16 " 01-A 517 10 7.95
9/32 " 2-11/16 " 4-5/16 " 01-A 518 10 8.15
19/64 " 2-15/16 " 4-5/8 " 01-A 519 10 9.50
5/16 " 2-15/16 " 4-5/8 " 01-A 520 10 10.10
21/64 " 2-15/16 " 4-5/8 " 01-A 521 10 11.80
11/32 " 3-3/16 " 4-15/16 " 01-A 522 10 12.70
23/64 " 3-3/16 " 4-15/16 " 01-A 523 10 14.25
3/8 " 3-7/16 " 5-1/4 " 01-A 524 10 14.25
25/64 " 3-7/16 " 5-1/4 " 01-A 525 5 16.85
13/32 " 3-7/16 " 5-1/4 " 01-A 526 5 17.30
27/64 " 3-11/16 " 5-9/16 " 01-A 527 5 18.95
7/16 " 3-11/16 " 5-9/16 " 01-A 528 5 20.10
29/64 " 3-11/16 " 5-9/16 " 01-A 529 5 22.05
15/32 " 4 " 5-15/16 " 01-A 530 5 23.85
31/64 " 4 " 5-15/16 " 01-A 531 5 24.90
1/2 " 4 " 5-15/16 " 01-A 532 5 25.00

Applications

  • Drilling of round surfaces
  • Drilling with stationary machines

Tips

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