Somma / Max-Bar (Series 20)

For Bar Diameters up to 3/4" (20mm)


Right Hand Shown


Series 20 Toolholders

A/B C D E R.H. HOLDER L.H. HOLDER
.500 3.50 .920 .505 STANR-085-V STANL-085-V
.500 5.00 .920 .505 STANR-085-C STANL-085-C
.625 3.50 .920 .630 STANR-105-V STANL-105-V
.625 4.50 .920 .630 STANR-105-D STANL-105-D
.750 5.00 .920 .755 STANR-125-C STANL-125-C

Holders include, Screw# 4.76-127, and Wrench# T-25-P


Please Note: Inserts are sold in packages of ten.





Front Turn (Series 20)

Width Depth Radius R.H. INSERT L.H. INSERT
Inch MM Inch MM Inch MM UNCOATED* UNCOATED*
.250 6.35 .440 11.2 0 0 TFTR-5040 TFTL-5040
.250 6.35 .440 11.2 .005 0.13 TFTR-5045 TFTL-5045
.250 6.35 .440 11.2 0 0 TFTRB-5040** TFTLB-5040**
.250 6.35 .440 11.2 .005 0.13 TFTRB-5045** TFTLB-5045**

**With chip control






Back Turn (Series 20)

Width Depth Radius R.H. INSERT L.H. INSERT
Inch MM Inch MM UNCOATED* UNCOATED*
.156 3.96 .440 11.2 0 TBTR-53010 TBTL-53010
.125 3.18 .440 11.2 0 TBTR-5308 TBTL-5308
.093 2.36 .370 9.40 0 TBTR-5306 TBTL-5306
.078 1.98 .300 7.62 0 TBTR-5305 TBTL-5305
.062 1.57 .230 5.84 0 TBTR-5304 TBTL-5304







Square Bottom

Plunge & Turn (Series 20)

Width Depth Radius R.H. INSERT L.H. INSERT
Inch MM Inch MM UNCOATED* UNCOATED*
.156 3.96 .440 11.2 0 TTGR-5156 TTGL-5156
.125 3.18 .440 11.2 0 TTGR-5125 TTGL-5125
.093 2.36 .370 9.40 0 TTGR-5093 TTGL-5093
.078 1.98 .300 7.62 0 TTGR-5078 TTGL-5078
.062 1.57 .230 5.84 0 TTGR-5062 TTGL-5062
.047 1.19 .130 3.30 0 TTGR-5047 TTGL-5047






Cut-Off (Series 20)

Width Depth R.H. INSERT L.H. INSERT
Inch MM Inch MM UNCOATED* UNCOATED*
.156 3.96 .440 11.2 15° TCOR-51510 TCOL-51510
.125 3.18 .440 11.2 15° TCOR-5158 TCOL-5158
.093 2.36 .440 11.2 15° TCOR-5156 TCOL-5156
.078 1.98 .370 9.40 15° TCOR-5155 TCOL-5155
.062 1.57 .300 7.62 15° TCOR-5154 TCOL-5154
.047 1.19 .230 5.84 15° TCOR-5153 TCOL-5153
.040 1.00 .180 4.57 20° TCOR-5201M TCOL-5201M






Left hand insert with
Right hand cut-off shown

Opp. Hand Cut-Off for Pickoff Spindle (Series 20)

Width Depth R.H. INSERT L.H. INSERT
Inch MM Inch MM UNCOATED* UNCOATED*
.125 3.18 .440 11.2 15° TCOLR-5158 TCORL-5158
.093 2.36 .440 11.2 15° TCOLR-5156 TCORL-5156
.078 1.98 .370 9.40 15° TCOLR-5155 TCORL-5155
.062 1.57 .300 7.62 15° TCOLR-5154 TCORL-5154
.047 1.19 .230 5.84 15° TCOLR-5153 TCORL-5153
.040 1.00 .180 4.57 20° TCOLR-5201M TCORL-5201M







Grooving (Series 20)

Width Depth Radius R.H. INSERT L.H. INSERT
Inch MM Inch MM UNCOATED* UNCOATED*
.156 3.96 .440 11.2 0 TNGR-5156 TNGL-5156
.125 3.18 .440 11.2 0 TNGR-5125 TNGL-5125
.093 2.36 .370 9.40 0 TNGR-5093 TNGL-5093
.078 1.98 .370 9.40 0 TNGR-5078 TNGL-5078
.062 1.57 .300 7.62 0 TNGR-5062 TNGL-5062
.047 1.19 .230 5.84 0 TNGR-5047 TNGL-5047
.040 1.00 .180 4.57 0 TNGR-5040 TNGL-5040







Threading 60° Centrally Located (Series 20)

Width Depth Radius R.H. INSERT L.H. INSERT
Inch MM Inch MM Inch MM UNCOATED* UNCOATED*
.125 3.18 .440 11.2 .004 0.10 TNVR-5125 TNVL-5125
.093 2.36 .370 9.40 .002 0.05 TNVR-5093 TNVL-5093
.047 1.19 .250 6.35 0 0 TNVR-5047 TNVL-5047