V12
" V12 " series pulley grooving insert is a pulley V-grooves cutting insert with ONE tooth on its TWO ends. It is the most popular one in the family of pulley grooving inserts.
		Researching and developed by SCT, the brand new automotive belt pulley grooving inserts are receiving good reputation among our worldwide customers:
		•  These inserts are made by solid carbide materials. •  Inserts are especially designed and produced for cutting V grooves in belt pulleys. •  ONE-TIME cutting for precise machining of V grooves in pulleys. •  Greatly improve belt pulleys’ machining accuracy and surface roughness. •  Largely help reduce time in changing of different inserts. •  Exponentially shorten the machining time on pulleys have multiple V grooves. •  Make large progress of working efficiency and on product quality.
Insert Type Shape Tooth / Ends    Performances  V12 1/2  - V12 precision insert is with 1 cutting edge on 2 ends;  - L Insert is  the most popular GPV insert for  grooving multi V-ribbed pulleys;  - Similar to iscar gpv inserts, our L insert has the advantages of high-effiency, economical price and good cutting performances.
Insert List
Part Number Dimensions (mm) Workpiece Code Hardened Steel Cast Iron Stainless Steel Aluminum / bronze Y° H X D R1 R2 T C RTP115 RTP330 RTP225 RTP000 PDL-V12-B160412-40234R40R30 40° 1.86 2.34 3.6 0.4 0.3 4.76 9.525 • • • • PDL-V12-B160412-40234R30R30 40° 1.87 2.34 3.6 0.3 0.3 4.76 9.525 • • • • PDL-V12-B160412-40234R20R30 40° 2.05 2.34 3.6 0.2 0.3 4.76 9.525 • • • • PDL-V12-B160412-40234R20R40 40° 2.06 2.34 3.6 0.2 0.4 4.76 9.525 • • • • PDL-V12-B160412-40356R50R40 40° 3.16 3.56 3.6 0.5 0.4 4.76 9.525 • • • • PDL-V12-B160412-40356R40R40 40° 3.35 3.56 3.6 0.4 0.4 4.76 9.525 • • • • PDL-V12-B160412-40356R40R30 40° 3.54 3.56 3.6 0.4 0.3 4.76 9.525 • • • • PDL-V12-B160412-40356R30R30 40° 3.74 3.56 3.6 0.3 0.3 4.76 9.525 • • • • PDL-V12-B160412-40356R40R20 40° 3.74 3.56 3.6 0.4 0.2 4.76 9.525 • • • • PDL-V12-B160412-40356R20R30 40° 3.92 3.56 3.6 0.2 0.3 4.76 9.525 • • • • *** Notes: different insert radius, cutting length, tooth pitch, tooth height ... etc, are on end user's request.
Tool-Holder List
VB tool holder (Size in mm) VN tool holder (Size in mm) Tool-holder No. A B L H Tool-holder No. A B L H SPDLVB1-403562020M16 20 20 150 20 SPDLVN16041-403562020M16 20 20 150 20 SPDLVB1-403562525M16 25 25 150 25 SPDLVN16041-403562525M16 25 25 150 25 SPDLVB1-402342020M16 20 20 150 20 SPDLVN16041-402342020M16 20 20 150 20 SPDLVB1-402342525M16 25 25 150 25 SPDLVN16041-402342525M16 25 25 150 25   *** When pairing pulley grooving insert with its tool-holder, please ask SCT sales team for suggestions. Pairing with SCT 's pulley grooving inserts, our tool-holders are made by 42CrMo.   EU USA Germany Japan France England Italy Spain China Sweden Finland Russia Inter EN - DIN,WNr JIS AFNOR BS UNI UNE GB SS SFS GOST ISO 42CrMo4 (1.7225) 4140 42CrMo4 SCM440H 42CD4 708M40 42CrMo4 40CrMo4 42CrMo 2244 42CrMo4 35KHM 42CrMo4 4142 　 　 　 CFS11 　 F1252 　 　 　 38KHM 　 SCT suggest all our custoemr to use our tool-holder to pair our inserts. That not only help promote grooving efficiency and grooving precision, but also help extend inserts' working life. Below is the production process: 42CrMo Forging → Tempering → Rough Processing → Quenching → Fine Machining → Surface Blackening → Packaging → Warehousing
Display of V-Pulleys Grooving Inserts & Holders V12

PDLVB160412-40234R40R30,PDLVB160412-40234R20R30,PDLVB160412-40XR40R,PDLVN160412-40356R40R30,PDLVN160412-40234R40R30,PDLVN160412-40XR40R30,SPDLVB1-403562020M16,SPDLVB1-403562525M16,SPDLVB1-402342020M16,SPDLVB1-402342525M16,SPDLVN16041-403562020M16,SPDLVN16041-403562525M16,SPDLVN16041-402342020M16,SPDLVN16041-402342525M16,​iscar,GPV 3-2.34-1,GPV 4-3.56-1,GPV 8-2.34-3,GPV 14-2.34-4,GPV 14-3.56-3,GPV 17-3.56-4