Roll Tap Series Spiral Fluted Taps (for blind hole) OL+RZ/OL-RZ Thread Forming Taps for Dry Tapping, Coated Spiral Fluted Taps (for through hole) Specification ■OL+RZ/OL-RZ are the forming taps enabling dry tapping Coating 1D under following condition : tapping sizes of smaller than M6, thin steel sheets having burring operation, and steel parts with rather short length. Optimum coating suitable to Recommended Tapping Speeds depending on Materials the tapping condition. Spiral Pointed Taps (for through hole) ow carbon steels Medium carbon steels High carbon steels Alloy steels Stainless steels OL+RZ all M 15〜30 15〜30 15〜25 15〜25 10〜25 OL-RZ all U For icon explanation, refer to P.50 Hand Taps TYPE:1 TYPE:2 Cemented Carbide Taps Roll Taps TYPE:3 TYPE:4 Special Thread Taps Simple Inspection Tools Recommended class Segment:1J Pipe Taps Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk Lobe Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) For Metric Threads M1 × 0.25 G4 OLRZP41.0BP 4P 36 4.5 - 24 3 2.5 5 4 1 △ M1.2 × 0.25 G4 OLRZP41.2BP 4P 36 4.5 - 24 3 2.5 5 4 1 ○ Thread Mills M1.4 × 0.3 G4 OLRZP41.4CP 4P 36 5.4 - 24 3 2.5 5 4 1 ◎ M1.6 × 0.35 G4 OLRZP41.6DP 4P 36 6.3 - 24 3 2.5 5 4 2 ○ M1.7 × 0.35 G4 OLRZP41.7DP 4P 36 6.3 - 24 3 2.5 5 4 2 ◎ G4 OLRZP42.0EP Dies M2 × 0.4 4P 42 7.2 - 27 3 2.5 5 4 3 ◎ G5 OLRZP52.0EP G4 OLRZP42.3EP M2.3 × 0.4 4P 42 7.2 - 27 3 2.5 5 4 3 ○ G5 OLRZP52.3EP G5 OLRZP52.5FP M2.5 × 0.45 4P 46 8.1 14 29 3 2.5 5 4 4 ○ Center Drills G6 OLRZP62.5FP G5 OLRZP52.6FP M2.6 × 0.45 4P 46 8.1 14 29 3 2.5 5 4 4 ○ G6 OLRZP62.6FP G5 OLRZP53.0GP M3 × 0.5 4P 46 9 14 26 4 3.2 6 4 4 ◎ G6 OLRZP63.0GP Centering Tools G5 OLRZP53.5HP △ M3.5 × 0.6 4P 52 11 16 29 5 4 7 4 4 G6 OLRZP63.5HP ○ M4 × 0.7 G6 OLRZP64.0IP ◎ 4P 52 11 17 29 5 4 7 4 4 G7 OLRZP74.0IP ○ JIS RO-17 ◎=Standard ○=Semi standard △=Made to order 512 For improvement, spec may change without advance notice.