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Product Specifications:
| Item | Spiral Point Tap |
| 55% Thread Drill Size | 5.7 mm |
| 65% Thread Drill Size | 7/32" |
| 75% Thread Drill Size | 5.45 mm |
| Drill Bit Size | #3 |
| Extended Neck | Yes |
| Finish | Titanium Nitride Coated |
| Fits Class | Class 2B |
| Measurement System | Fractional Inch |
| Number Of Flutes | 3 |
| Overall Length | 2 1/2" |
| Primary Material Application | All Materials |
| Primary Material Application Iso Code | M, P |
| Shank Dia. | 1/8" |
| Shank Length | 1 1/2" |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Spiral Direction | Neutral |
| Square Size | 0.191" |
| Standards | Uscti Table 302A |
| System Of Measurement | Imperial |
| Tap Chamfer | Plug |
| Tap Finish | Tin |
| Tap Material | High Speed Steel |
| Tap Thread Size | 1/4"-28 |
| Thread Length | 5/8" |
| Thread Limit | H3 |
| Thread Limit / Class Of Fit | H3, 2B |
| Thread Size | 1/4"-28 |
| Threads Per Inch | 28 |
Shipping Info:
| Ship weight (kg) | 0.01 |
| Ship height (cm) | 1 |
| Ship length (cm) | 9 |
| Ship width (cm) | 1.2 |
| Country of Origin | US |
Product Variants
| Product | Model | Thread Size | Thread Length | Overall Length | Thread Limit | Tap Finish | 75% Thread Drill Size | Shank Dia. | Primary Material Application | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
282850 | 1/2"-13 | 15/16" | 3 3/8" | H5 | Bright | 27/64" | 23/64" | Stainless Steel, Steel | €53.22 | |
![]() |
280207 | #10-24 | 1/2" | 2 3/8" | H3 | Tin | #25 | 3/32" | All Materials | €28.27 | |
![]() |
285156 | #10-24 | 1/2" | 2 3/8" | H3 | Tin | #25 | 3/32" | All Materials | €37.03 | |
![]() |
282256 | #10-32 | 1/2" | 2 3/8" | H3 | Bright | #21 | 3/32" | All Materials | €25.55 | |
![]() |
280256 | #10-32 | 1/2" | 2 3/8" | H3 | Tin | #21 | 3/32" | All Materials | €28.27 | |
![]() |
285222 | #10-32 | 1/2" | 2 3/8" | H5 | Tin | #21 | 3/32" | All Materials | €37.03 | |
![]() |
280108 | #6-32 | 3/8" | 2" | H3 | Tin | #36 | 9/64" | All Materials | €29.26 |
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GREENFIELD THREADING 280405 SPHD Spiral Point Tap, 1/4-28 Thread Size, 5/8 Inch Thread Length, 2 1/2 Inch Length
€29.34 /unit



