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Product Specifications:
| Item | Spiral Flute Tap |
| 55% Thread Drill Size | #37 |
| 65% Thread Drill Size | #38 |
| 75% Thread Drill Size | 2.5 mm |
| Coolant Fed | Non Coolant Through |
| Drill Bit Size | 2.48MM, 2.51MM, 2.55MM, 2.58MM, 2.61MM |
| Extended Neck | Yes |
| Features | Slow Spiral |
| Finish | Bright |
| Helix Angle | 50° |
| List Number | 143 |
| Material | High Speed Steel |
| Measurement System | Metric |
| Number Of Flutes | 2 |
| Overall Length | 49 mm |
| Pitch Diameter Limits | D3 |
| Pitch Type | 0.5 mm |
| Secondary Material Application | Aluminum, Cast Iron, Steel |
| Secondary Material Application Iso Code | K, N, P |
| Shank Dia. | 3.58 mm |
| Shank Length | 33 mm |
| Shank Type - Machining | Straight |
| Size | M3 |
| Square Size | 2.79 mm |
| Tap Chamfer | Bottoming |
| Tap Finish | Bright |
| Tap Material | High Speed Steel |
| Tap Style | Spiral Flute |
| Tap Thread Size | M3 x 0.5 |
| Tap Type | Bottoming |
| Thread Direction | Right Hand |
| Thread Length | 8 mm |
| Thread Limit | D3 |
| Thread Limit/class Of Fit | D3 |
| Thread Pitch | 0.5 mm |
| Thread Size | M3 x 0.5 |
| Thread Standard | Metric Coarse |
| Thread Type | Metric Coarse |
Shipping Info:
| Ship height (cm) | 0.76 |
| Ship length (cm) | 6.35 |
| Ship width (cm) | 0.76 |
| HS code | 8207400000 |
Product Variants
| Product | Model | Number Of Flutes | Thread Length | Overall Length | Thread Size | Tap Finish | Thread Limit | 75% Thread Drill Size | Shank Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
1430105 | 3 | 5/8" | 2 1/2" | 1/4"-20 | Tin | H3 | #7 | 1/4" | €39.71 | |
![]() |
1645514207 | 3 | 16 mm | 110 mm | M14 x 2 | Tin | D7 | 12 mm | 10.89 mm | €224.64 | |
![]() |
1645516205 | 3 | 16 mm | 110 mm | M16 x 2 | Tin | D5 | 14 mm | 12.19 mm | €249.37 | |
![]() |
1645516207 | 3 | 16 mm | 110 mm | M16 x 2 | Tin | D7 | 14 mm | 12.19 mm | €249.37 | |
![]() |
1645518257 | 4 | 25 mm | 125 mm | M18 x 2.5 | Tin | D7 | 16.5 | 13.76 mm | €345.18 | |
![]() |
0142008 | 2 | 3/16" | 2" | #6-32 | TiCN | H4 | #36 | 9/64" | €59.46 | |
![]() |
0142108 | 2 | 3/4" | 2 1/8" | - | - | - | - | 0.168" | €59.46 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
OSG 1985200 Spiral Flute Tap Bottom 3x0.50mm Bright
€41.78 /unit



