Machining > Threading > Taps > Imperial - Spiral Flute Taps | Suttons Spiral Flute Taps - Black Magic | Dimensions | d1 (mm): 12.7 | d2 (mm): 9 | l1 (mm): 100 | l4 (mm): 10 | Square Size (mm): 7 | z: 4 | Drill Size (mm): 11.5 (drill) | TPI: 20 (TPI) | Features | Universal high performance tapping | PM-HSSE V3 offers superior tool life | Use in stainless steels and high strength steels up to 850N/mm2 | Through holes up to 3 x d1 | Suitable for synchronous tapping in machine operations | Specifications | Designation: UNI (for normal general purpose type materials) | Material: Powdered Metallurgy - Vanadium Grade High Speed Steel (PM-HSSE V3) | Finish: Hardlube | Max Cut Depth: 3xD | Shank Form: Reduced Shank (with square drive) | Helix Angle: R50 | X: als | Type: Spiral Flute | Standard: DIN2184-1 | Thread Form: UNF | Nut Tolerance: 2BX | Lead: Form B / 4.5 x P | Applications | Steel - Non-alloy, cast & free cutting (~ 0.15 %C): Annealed | Steel - Non-alloy, cast & free cutting (~ 0.45 %C): Annealed | Steel - Non-alloy, cast & free cutting (~ 0.45 %C): Quenched & Tempered | Steel - Low alloy & cast | Steel - High alloy, cast & tool: Annealed | Steel - Corrosion resistant & cast - Ferritic / Martensitic: Annealed | Stainless Steel - Austenitic: Age Hardened | Stainless Steel Duplex | Aluminum & Magnesium, wrought alloy - Non Heat Treatable | Aluminum & Magnesium, wrought alloy - Heat Treatable: Age Hardened | Aluminum & Magnesium, cast alloy 12% Si - Non Heat Treatable
Machining > Threading > Taps > Imperial - Spiral Flute Taps | Suttons Spiral Flute Taps - Black Magic | Dimensions | d1 (mm): 12.7 | d2 (mm): 9 | l1 (mm): 100 | l4 (mm): 10 | Square Size (mm): 7 | z: 4 | Drill Size (mm): 11.5 (drill) | TPI: 20 (TPI) | Features | Universal high performance tapping | PM-HSSE V3 offers superior tool life | Use in stainless steels and high strength steels up to 850N/mm2 | Through holes up to 3 x d1 | Suitable for synchronous tapping in machine operations | Specifications | Designation: UNI (for normal general purpose type materials) | Material: Powdered Metallurgy - Vanadium Grade High Speed Steel (PM-HSSE V3) | Finish: Hardlube | Max Cut Depth: 3xD | Shank Form: Reduced Shank (with square drive) | Helix Angle: R50 | X: als | Type: Spiral Flute | Standard: DIN2184-1 | Thread Form: UNF | Nut Tolerance: 2BX | Lead: Form B / 4.5 x P | Applications | Steel - Non-alloy, cast & free cutting (~ 0.15 %C): Annealed | Steel - Non-alloy, cast & free cutting (~ 0.45 %C): Annealed | Steel - Non-alloy, cast & free cutting (~ 0.45 %C): Quenched & Tempered | Steel - Low alloy & cast | Steel - High alloy, cast & tool: Annealed | Steel - Corrosion resistant & cast - Ferritic / Martensitic: Annealed | Stainless Steel - Austenitic: Age Hardened | Stainless Steel Duplex | Aluminum & Magnesium, wrought alloy - Non Heat Treatable | Aluminum & Magnesium, wrought alloy - Heat Treatable: Age Hardened | Aluminum & Magnesium, cast alloy 12% Si - Non Heat Treatable
in 1 offers
The lowest price for Sutton T6921270 UNF 1/2 x 20 Spiral Flute Tap R50 Uni Black Magic HSSE V3 right now is $199.90 at AIMS Industrial Supplies.
The all-time low was $129.94 on 11 Dec 2025 — today's price is 54% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 21 Mar 2026.
Sutton T6921270 UNF 1/2 x 20 Spiral Flute Tap R50 Uni Black Magic HSSE V3
Machining > Threading > Taps > Imperial - Spiral Flute Taps | Suttons Spiral Flute Taps - Black Magic | Dimensions | d1 (mm): 12.7 | d2 (mm): 9 | l1 (mm): 100 | l4 (mm): 10 | Square Size (mm): 7 | z: 4 | Drill Size (mm): 11.5 (drill) | TPI: 20 (TPI) | Features | Universal high performance tapping | PM-HSSE V3 offers superior tool life | Use in stainless steels and high strength steels up to 850N/mm2 | Through holes up to 3 x d1 | Suitable for synchronous tapping in machine operations | Specifications | Designation: UNI (for normal general purpose type materials) | Material: Powdered Metallurgy - Vanadium Grade High Speed Steel (PM-HSSE V3) | Finish: Hardlube | Max Cut Depth: 3xD | Shank Form: Reduced Shank (with square drive) | Helix Angle: R50 | X: als | Type: Spiral Flute | Standard: DIN2184-1 | Thread Form: UNF | Nut Tolerance: 2BX | Lead: Form B / 4.5 x P | Applications | Steel - Non-alloy, cast & free cutting (~ 0.15 %C): Annealed | Steel - Non-alloy, cast & free cutting (~ 0.45 %C): Annealed | Steel - Non-alloy, cast & free cutting (~ 0.45 %C): Quenched & Tempered | Steel - Low alloy & cast | Steel - High alloy, cast & tool: Annealed | Steel - Corrosion resistant & cast - Ferritic / Martensitic: Annealed | Stainless Steel - Austenitic: Age Hardened | Stainless Steel Duplex | Aluminum & Magnesium, wrought alloy - Non Heat Treatable | Aluminum & Magnesium, wrought alloy - Heat Treatable: Age Hardened | Aluminum & Magnesium, cast alloy 12% Si - Non Heat Treatable
Machining > Threading > Taps > Imperial - Spiral Flute Taps | Suttons Spiral Flute Taps - Black Magic | Dimensions | d1 (mm): 12.7 | d2 (mm): 9 | l1 (mm): 100 | l4 (mm): 10 | Square Size (mm): 7 | z: 4 | Drill Size (mm): 11.5 (drill) | TPI: 20 (TPI) | Features | Universal high performance tapping | PM-HSSE V3 offers superior tool life | Use in stainless steels and high strength steels up to 850N/mm2 | Through holes up to 3 x d1 | Suitable for synchronous tapping in machine operations | Specifications | Designation: UNI (for normal general purpose type materials) | Material: Powdered Metallurgy - Vanadium Grade High Speed Steel (PM-HSSE V3) | Finish: Hardlube | Max Cut Depth: 3xD | Shank Form: Reduced Shank (with square drive) | Helix Angle: R50 | X: als | Type: Spiral Flute | Standard: DIN2184-1 | Thread Form: UNF | Nut Tolerance: 2BX | Lead: Form B / 4.5 x P | Applications | Steel - Non-alloy, cast & free cutting (~ 0.15 %C): Annealed | Steel - Non-alloy, cast & free cutting (~ 0.45 %C): Annealed | Steel - Non-alloy, cast & free cutting (~ 0.45 %C): Quenched & Tempered | Steel - Low alloy & cast | Steel - High alloy, cast & tool: Annealed | Steel - Corrosion resistant & cast - Ferritic / Martensitic: Annealed | Stainless Steel - Austenitic: Age Hardened | Stainless Steel Duplex | Aluminum & Magnesium, wrought alloy - Non Heat Treatable | Aluminum & Magnesium, wrought alloy - Heat Treatable: Age Hardened | Aluminum & Magnesium, cast alloy 12% Si - Non Heat Treatable
Last updated at 21/03/2026 17:09:13
Sutton T6921270 UNF 1/2 x 20 Spiral Flute Tap R50 UNI Black Magic HSSE V3
Delivery between 25 Mar – 1 Apr $12.61
| Finish | Hardlube |
| Thread Form | UNF |
| Diameter (inch) | 1/2 |
| TPI | 20 |
| Shank (mm) | 9 |
Sutton T6921270 UNF 1/2 x 20 Spiral Flute Tap R50 UNI Black Magic HSSE V3
Delivery between 25 Mar – 1 Apr $12.61
| Finish | Hardlube |
| Thread Form | UNF |
| Diameter (inch) | 1/2 |
| TPI | 20 |
| Shank (mm) | 9 |
