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
  • Back tapered body
  • 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
1/32 1/2 1-3/8 01-A 502 10 1.30
3/64 3/4 1-3/4 01-A 503 10 1.30
1/16 25/32 1-11/16 01-A 504 10 1.30
5/64 15/16 1-15/16 01-A 505 10 1.30
3/32 1-3/16 2-1/4 01-A 506 10 1.30
7/64 1-5/16 2-13/32 01-A 507 10 1.30
1/8 1-7/16 2-9/16 01-A 508 10 1.80
9/64 1-17/32 2-3/4 01-A 509 10 2.00
5/32 1-11/16 2-15/16 01-A 510 10 2.30
11/64 1-27/32 3-5/32 01-A 511 10 2.60
3/16 2-1/16 3-3/8 01-A 512 10 2.80
13/64 2-1/16 3-3/8 01-A 513 10 3.00
7/32 2-1/4 3-21/32 01-A 514 10 3.30
15/64 2-1/4 3-21/32 01-A 515 10 3.60
1/4 2-1/2 3-31-32 01-A 516 10 3.80
17/64 2-23/32 4-9/32 01-A 517 10 4.30
9/32 2-23/32 4-9/32 01-A 518 10 5.20
19/64 2-15/16 4-19/32 01-A 519 10 5.80
5/16 2-15/16 4-19/32 01-A 520 10 6.80
21/64 2-15/16 4-19/32 01-A 521 10 7.30
11/32 3-3/16 4-29/32 01-A 522 10 7.80
23/64 3-3/16 4-29/32 01-A 523 10 8.80
3/8 3-7/16 5-1/4 01-A 524 10 9.80
25/64 3-7/16 5-1/4 01-A 525 5 10.00
13/32 3-7/16 5-1/4 01-A 526 5 10.30
27/64 3-11/16 5-19/32 01-A 527 5 11.80
7/16 3-11/16 5-19/32 01-A 528 5 12.40
29/64 3-11/16 5-19/32 01-A 529 5 12.60
15/32 3-31/32 5-15/16 01-A 530 5 13.00
31/64 3-31/32 5-15/16 01-A 531 5 14.00
1/2 3-31/32 5-15/16 01-A 532 5 14.80

Applications

  • Drilling of round surfaces
  • Drilling with stationary machines

Tips

Large diameter bits; low speed, high feed

Small diameter bits; high speed, low feed