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Nitro Spiral Point Tap

Nitro Spiral Point taps are designed with angled flutes at the cutting end. These flutes propel the cuttings forward and down, away from the tool which reduces loading and clogging in the flutes. This feature plus the excellent shearing action of the flutes make the Spiral Point tap ideal for production tapping thru holes. For best results and longest tool life, always use with cutting fluid.

Products
Dimensional Specifications
Tap Drill Chart

Dimensional Specifications

Dimensional SpecificationsSpiral Point Tap

Tap Size	Thread	Overall Length	Length of Thread	Number of Flutes
0	80	1 5/8	5/16	2
1	64	1 11/16	3/8	2
1	72	1 11/16	3/8	2
2	56	1 3/4	7/16	2
2	64	1 3/4	7/16	2
3	48	1 13/16	1/2	2
3	56	1 13/16	1/2	2
4	40	1 7/8	9/16	2
4	48	1 7/8	9/16	2
4	36	1 7/8	9/16	2
5	40	1 15/16	5/8	2
5	44	1 15/16	5/8	2
6	32	2	11/16	2
6	40	2	11/16	2
8	32	2 1/8	3/4	2
8	36	2 1/8	3/4	2
10	24	2 3/8	7/8	2
10	32	2 3/8	7/8	2
12	24	2 3/8	15/16	2
12	28	2 3/8	15/16	2
1/4	20	2 1/2	1	2
1/4	28	2 1/2	1	2
5/16	18	2 23/32	1 1/8	2
5/16	24	2 23/32	1 1/8	2
3/8	16	2 15/16	1 1/4	3
3/8	24	2 15/16	1 1/4	3
7/16	14	3 5/32	1 7/16	3
7/16	20	3 5/32	1 7/16	3
1/2	13	3 3/8	1 21/32	3
1/2	20	3 3/8	1 21/32	3
9/16	12	3 19/32	1 21/32	3
9/16	18	3 19/32	1 21/32	3
5/8	11	3 13/16	1 13/16	3
5/8	18	3 13/16	1 13/16	3
3/4	10	4 1/4	2	3
3/4	16	4 1/4	2	3

All dimensions are in inches.

Tap Drill Chart

Tap Size	Drill Size	Probable % Thread
M3-0.5	40	70-79
5-40	38	65-72
5-44	37	63-71
M3.5-0.6	33	72-81
6-32	36	71-78
6-40	33	69-77
M4-0.7	3.25 mm	74-82
8-32	29	62-69
8-36	29	70-78
10-24	25	69-75
10-32	21	68-76
M5-0.8	4.2 mm	69-77
12-24	16	66-72
12-28	15	70-78
M6-1.0	10	76-84
1/4-20	7	70-75
1/4-28	3	72-80
5/16-18	F	72-77
5/16-24	I	67-75
M8-1.25	6.7 mm	74-80
3/8-16	5/16	72-77
3/8-24	Q	71-79
M10-1.50	8.4 mm	76-82
7/16-14	U	70-75
7/16-20	25/64	65-72
M12-1.75	13/32	69-74
1/2-13	27/64	73-78
1/2-20	29/64	65-72

Tap Size	Drill Size	Probable % Thread
M14-2.0	15/32	76-81
9/16-12	31/64	68-72
9/16-18	33/64	58-65
5/8-11	17/32	75-79
5/8-18	37/64	58-65
M16-2.0	35/64	76-81
3/4-10	21/32	68-72
3/4-16	11/16	71-77
M20-2.5	11/16	74-78
7/8-9	49/64	72-76
7/8-14	13/16	62-67
M24-3.0	53/64	72-76
1-8	7/8	73-77
1-12	59/64	67-72
1-14	15/16	61-67
1-1/8-7	63/64	72-76
1-1/8-8	1	76
1-1/8-12	1-3/16	66-72
M30-3.5	1-3/64	75
1-1/4-7	1-7/64	76
1-1/4-8	1-1/8	76
1-1/4-12	1-11/64	72
1-3/8-6	1-7/32	72
1-3/8-12	1-19/64	72
M36-4.0	1-1/4	82
1-1/2-6	1-11/32	72
1-1/2-8	1-3/8	76
1-1/2-12	1-27/64	72

NPT Tap Size	Taper Pipe Drill Size	Straight Pipe Drill Size
1/8-27	R	11/32
1/4-18	7/16	7/16
3/8-18	37/64	37/64
1/2-14	45/64	23/32
3/4-14	59/64	59/64
1-11.5	1-5/32	1-5/32
1-1/4-11.5	1-31/64	1-1/2
1-1/2-11.5	1-47/64	1-3/4
2-11.5	2-7/32	2-7/32

Nitro Spiral Point Tap

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Size Thread Pitch Tap Type Item # Availability Price Quantity UOM

1/4

Spiral Point

TAPS025-20SP

In Stock

$10.72051/EA

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1/4-20 NITRO SPIRAL POINT TAP

$10.72051/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$10.72051/ EA

5/16

Spiral Point

TAPS031-18SP

In Stock

$11.21441/EA

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5/16-18 NITRO SPIRAL POINT TAP

$11.21441/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$11.21441/ EA

3/8

Spiral Point

TAPS037-16SP

In Stock

$12.5/EA

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3/8-16 NITRO SPIRAL POINT TAP

$12.5/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$12.5/ EA

7/16

Spiral Point

TAPS043-14SP

In Stock

$24.32432/EA

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7/16-14 NITRO SPIRAL POINT TAP

$24.32432/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$24.32432/ EA

1/2

Spiral Point

TAPS050-13SP

In Stock

$25.38007/EA

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1/2-13 NITRO SPIRAL POINT TAP

$25.38007/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$25.38007/ EA

5/8

Spiral Point

TAPS062-11SP

2-4 Working Days

$45.41104/EA

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5/8-11 NITRO SPIRAL POINT TAP

$45.41104/EA

Qty

2-4 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$45.41104/ EA

3/4

Spiral Point

TAPS075-10SP

In Stock

$60.92342/EA

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3/4-10 NITRO SPIRAL POINT TAP

$60.92342/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$60.92342/ EA

Spiral Point

TAPS6-32SP

In Stock

$12.06897/EA

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#6-32 NITRO SPIRAL POINT TAP

$12.06897/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$12.06897/ EA
1120	$12.06897/ EA
4480	$9.3772/ EA
17920	$6.95243/ EA

Spiral Point

TAPS8-32SP

In Stock

$11.13451/EA

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#8-32 NITRO SPIRAL POINT TAP

$11.13451/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$11.13451/ EA
770	$11.13451/ EA
3080	$8.65116/ EA
12320	$6.41413/ EA

#10

Spiral Point

TAPS10-24SP

In Stock

$10.72798/EA

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#10-24 NITRO SPIRAL POINT TAP

$10.72798/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$10.72798/ EA
560	$10.72798/ EA
2240	$8.3353/ EA
8960	$6.17994/ EA

#10

Spiral Point

TAPS10-32SP

In Stock

$12.41682/EA

See Quantity Discounts

#10-32 NITRO SPIRAL POINT TAP

$12.41682/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$12.41682/ EA
560	$12.41682/ EA
2240	$9.64747/ EA
8960	$7.15281/ EA

Nitro Spiral Point Tap

Technical Data

Dimensional Specifications

Dimensional SpecificationsSpiral Point Tap

Tap Drill Chart

Tap Drill Chart

Size

Thread Pitch

Thread Type

Overall Length

1/4-20 NITRO SPIRAL POINT TAP

5/16-18 NITRO SPIRAL POINT TAP

3/8-16 NITRO SPIRAL POINT TAP

7/16-14 NITRO SPIRAL POINT TAP

1/2-13 NITRO SPIRAL POINT TAP

5/8-11 NITRO SPIRAL POINT TAP

3/4-10 NITRO SPIRAL POINT TAP

#6-32 NITRO SPIRAL POINT TAP

#8-32 NITRO SPIRAL POINT TAP

#10-24 NITRO SPIRAL POINT TAP

#10-32 NITRO SPIRAL POINT TAP