Company Holiday
Dear customers,
we would like to inform you that our company will be on a company holiday from 12 July to 27 July 2025.
All orders received during this period will be processed on Tuesday, July 29, 2025.
Thank you for your understanding and we wish you a pleasant summer.
2054 - Machine tap with right-hand spiral flutes 40°
Code: 041531830003000
Variant: UNC 5x40 2B
In stock
(>10 pcs)
| 041531830002000
EAN: 8595111906492
€16,54
€13,67
excl. VAT
Variant: UNC 6x32 2B
In stock
(>10 pcs)
| 041531830003000
EAN: 8595111906508
€15,65
€12,93
excl. VAT
Variant: UNC 8x32 2B
In stock
(>10 pcs)
| 041531830004000
EAN: 8595111906515
€15,71
€12,98
excl. VAT
Variant: UNC 10x24 2B
In stock
(>10 pcs)
| 041531830005000
EAN: 8595111906522
€16,77
€13,86
excl. VAT
Variant: UNC 12x24 2B
In stock
(>10 pcs)
| 041531830006000
EAN: 8595111906539
€19,46
€16,08
excl. VAT
Variant: UNC 1/4x20 2B
In stock
(>10 pcs)
| 041531830007000
EAN: 8595111906546
€18,78
€15,52
excl. VAT
Variant: UNC 5/16x18 2B
In stock
(>10 pcs)
| 041531830009000
EAN: 8595111906553
€19,61
€16,21
excl. VAT
Variant: UNC 3/8x16 2B
In stock
(>10 pcs)
| 041531830011000
EAN: 8595111906560
€22,52
€18,61
excl. VAT
Product detailed description
Catalogue number: 2054
Machine tap with spiral flutes, unified national coarse thread, DIN 371, suitable for structural steels, cast steels, free cutting steels, spheroidal and malleable cast iron, aluminium alloys Si<10 % and long chipping copper alloys.
Features:
Thread UNC: Unified coarse thread
Profile sketch: 60°
Type N: Tap for steels up to 800 N/mm2
Tap material: Super high speed steel
Tap standard: ~ DIN 371
Thread tolerance: 2B
Chamfer C: Length 2-3 pitch
Spiral flute angle: 40°
Hole type: Blind hole (thread length < 2 d1)
Machined materials:
| Group | Machined material | Cutting speed |
|---|---|---|
| P2.2 | Structural steels <800N/mm2 | 10-14 |
| P2.3 | Plain cast steels <800N/mm2 | 10-14 |
| K6.2 | Spher. graphite and mall. cast iron | 4-7 |
| N8.1 | Aluminium alloysSi<10% | 14-20 |
| N10.2 | Long chipping copper alloys | 6-10 |
Dimensions:
| d1 | P | tol | l1 | l2 | d2 | a | hole |
|---|---|---|---|---|---|---|---|
| UNC 5 | 40 | 2B | 56 | 5 | 3,5 | 2,7 | 2,6 |
| UNC 6 | 32 | 2B | 56 | 7 | 4 | 3 | 2,85 |
| UNC 8 | 32 | 2B | 63 | 7 | 4,5 | 3,4 | 3,5 |
| UNC 10 | 24 | 2B | 70 | 8 | 6 | 4,9 | 3,9 |
| UNC 12 | 24 | 2B | 80 | 10 | 6 | 4,9 | 4,5 |
| UNC 1/4 | 20 | 2B | 80 | 10 | 7 | 5,5 | 5,2 |
| UNC 5/16 | 18 | 2B | 90 | 13 | 8 | 6,2 | 6,6 |
| UNC 3/8 | 16 | 2B | 90 | 15 | 9 | 7 | 8 |
Additional parameters
| Category: | Machine taps |
|---|---|
| Coating: | - |
| Hole type: | blind hole (thread length L < 2xd1), blind hole (thread length < 1,5 d1, pilot drilling depth ≥ L+d1), blind hole (thread length L < 1,5xd1), blind hole (thread length L < 2,5xd1) |
| Machined material: | Structural steels <800N/mm2, Plain cast steels <800N/mm2, Spher. graphite and mall. cast iron, Aluminium alloysSi<10%, Long chipping copper alloys |
| Product line: | NAREX Zdanice Product Line |
| Standard: | DIN ≈371 |
| Thread type: | Unified Course Thread UNC |
| Tolerance: | 2B |