Skip to content
Axior

Pick a size in the table below to see its own drawing and 3D model.

Tool Holders / S-System Boring Bars

STUPR/L

14 sizes available · 8 specification fields · standard: ISO

STUPR/L is a boring bar for internal turning that takes positive 60° triangle (T-type) inserts. It is listed here in 14 sizes, 7.3–18.3 mm shank height, right- and left-hand versions, each with full specifications and a dimensioned drawing. Typical use: boring, internal turning and back-facing.

Insert compatibility

This family is built for the following insert designations (as listed in the catalogue data). The exact size in each row of the table below is in the Insert designation column.

  • TP.. 1103..
  • TP.. 0802..
Choose a size ↓ Ask about STUPR/L

Specifications

14 sizes
Product code Insert designation Cutting direction (hand) Connection diameter (mm) Functional length (mm) Functional width (mm) Shank height (mm) Minimum working diameter (mm)
S12K STUPR 1103 TP.. 1103.. R 12 125 9 11 ≥16
S12K STUPL 1103 TP.. 1103.. L 12 125 9 11 ≥16
S08H STUPL 0802 TP.. 0802.. L 8 100 5 7.3 ≥10
S08H STUPR 0802 TP.. 0802.. R 8 100 5 7.3 ≥10
S10K STUPL 1103 TP.. 1103.. L 10 125 6 9 ≥12
S10K STUPR 1103 TP.. 1103.. R 10 125 6 9 ≥12
S12M STUPL 1103 TP.. 1103.. L 12 150 8 11 ≥16
S12M STUPR 1103 TP.. 1103.. R 12 150 8 11 ≥16
S16P STUPL 1103 TP.. 1103.. L 16 170 10 14.8 ≥20
S16P STUPR 1103 TP.. 1103.. R 16 170 10 14.8 ≥20
S16R STUPL 1103 TP.. 1103.. L 16 200 10 14.8 ≥20
S16R STUPR 1103 TP.. 1103.. R 16 200 10 14.8 ≥20
A20R STUPL 1103 TP.. 1103.. L 20 200 13 18.3 ≥25
A20R STUPR 1103 TP.. 1103.. R 20 200 13 18.3 ≥25
Column codes
  • Insert Code — Insert designation
  • Product Direction — Cutting direction (hand)
  • DCON — Connection diameter (mm)
  • LF — Functional length (mm)
  • WF — Functional width (mm)
  • H — Shank height (mm)
  • D min — Minimum working diameter (mm)

Dimensions in millimetres unless noted. Values are the manufacturer's published figures.