HS Fractional Bottoming Taps |
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Fractional Bottoming taps. National Coarse and National Fine. High Speed Steel Taps. Ground Thread.
Please note that not all bottoming taps are flattened at the end. Some manufacturers leave a point that you may have to grind off if going very close to the bottom of a hole.
Basic tap types: Taper tap: 5-6 lead threads ground. The easiest tap for starting to thread a hole. Plug tap: 3-4 lead threads ground. The most common tap: a "middle ground" tap for threading. Bottoming tap: 1-2 lead threads ground. Used for continuing to thread a blind hole close to the bottom of the hole. It's difficult to start threading a hole with this tap. Bottoming taps are not necessarily flat on the bottom - they sometimes have a 60 degree tapered point from the manufacturing process. Spiral Point tap: A tap with a chisled point that pushes metal chips ahead of the forming threads. Extremely useful for tapping through-holes (ie holes that extend through the work.) Often machine-driven. Spiral Point taps are not recommended for use in blind holes: the accumulation of chips can tend to bind and break these taps more easily than others.
Recommended drill sizes are for approximately 75% thread.
Follow this link to see the corresponding Dies for these Taps.
Follow this link to explore our complete offering of taps, dies, and other threading tools.
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Quantity
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Price
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Model
|
Description
|
Size |
Drill Size |
|
$5.20 | TAB-0-80
| #0-80 HS Bottoming Tap 0300-0015 | 0-80 |
3/64" |
|
$5.20 | TAB-1-64
| #1-64 HS Bottoming Tap 0300-0030 | 1-64 |
#54 |
|
$5.20 | TAB-1-72
| #1-72 HS Bottoming Tap 0300-0046 | 1-72 |
#53 |
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$4.50 | TAB-2-56
| #2-56 HS Bottoming Tap 0300-0061 | 2-56 |
#51 |
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$4.50 | TAB-2-64
| #2-64 HS Bottoming Tap 0300-0076 | 2-64 |
#50 |
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$3.50 | TAB-3-48
| #3-48 HS Bottoming Tap 0300-0091 | 3-48 |
5/64" |
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$3.50 | TAB-3-56
| #3-56 HS Bottoming Tap 0300-0106 | 3-56 |
#46 |
|
$2.90 | TAB-4-36
| #4-36 HS Bottoming Tap 0300-0109 | 4-36 |
#44 |
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$2.90 | TAB-4-40
| #4-40 HS Bottoming Tap 0300-0121 | 4-40 |
#43 |
|
$2.90 | TAB-4-48
| #4-48 HS Bottoming Tap 0300-0136 | 4-48 |
#42 |
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$2.90 | TAB-5-40
| #5-40 HS Bottoming Tap 0300-0151 | 5-40 |
#39 |
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$2.90 | TAB-5-44
| #5-44 HS Bottoming Tap 0300-0166 | 5-44 |
#37 |
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$2.30 | TAB-6-32
| #6-32 HS Bottoming Tap 0300-0181 | 6-32 |
#36 |
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$2.30 | TAB-6-40
| #6-40 HS Bottoming Tap 0300-0196 | 6-40 |
#33 |
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$2.30 | TAB-8-32
| #8-32 HS Bottoming Tap 0300-0211 | 8-32 |
#29 |
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$2.30 | TAB-8-36
| #8-36 HS Bottoming Tap 0300-0226 | 8-36 |
#29 |
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$2.40 | TAB-10-24
| #10-24 HS Bottoming Tap 0300-0241 | 10-24 |
#25 |
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$2.40 | TAB-10-32
| #10-32 HS Bottoming Tap 0300-0256 | 10-32 |
#21 |
|
$2.50 | TAB-12-24
| #12-24 HS Bottoming Tap 0300-0271 | 12-24 |
#17 |
|
$2.50 | TAB-12-28
| #12-28 HS Bottoming Tap 0300-0286 | 12-28 |
#15 |
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$2.45 | TAB-1/4-20
| 1/4"-20 HS Bottoming Tap 0329-0016 | 1/4-20 |
#7 |
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$2.45 | TAB-1/4-28
| 1/4"-28 HS Bottoming Tap 0329-0031 | 1/4-28 |
#3 |
|
$2.90 | TAB-5/16-18
| 5/16"-18 HS Bottoming Tap 0329-0046 | 5/16-18 |
F |
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$2.90 | TAB-5/16-24
| 5/16"-24 HS Bottoming Tap 0329-0061 | 5/16-24 |
I |
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$3.30 | TAB-3/8-16
| 3/8"-16 HS Bottoming Tap 0329-0076 | 3/8-16 |
5/16" |
|
$3.30 | TAB-3/8-24
| 3/8"-24 HS Bottoming Tap 0329-0091 | 3/8-24 |
Q |
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$5.50 | TAB-7/16-14
| 7/16"-14 HS Bottoming Tap 0329-0106 | 7/16-14 |
U |
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$5.50 | TAB-7/16-20
| 7/16"-20 HS Bottoming Tap 0329-0121 | 7/16-20 |
W |
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$6.10 | TAB-1/2-13
| 1/2"-13 HS Bottoming Tap 0329-0136 | 1/2-13 |
27/64" |
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$6.10 | TAB-1/2-20
| 1/2"-20 HS Bottoming Tap 0329-0151 | 1/2-20 |
29/64" |
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$9.50 | TAB-9/16-12
| 9/16"-12 HS Bottoming Tap 0330-0016 | 9/16-12 |
31/64" |
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$9.50 | TAB-9/16-18
| 9/16"-18 HS Bottoming Tap 0330-0031 | 9/16-18 |
33/64" |
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$11.00 | TAB-5/8-11
| 5/8"-11 HS Bottoming Tap 0330-0046 | 5/8-11 |
17/32" |
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$11.00 | TAB-5/8-18
| 5/8"-18 HS Bottoming Tap 0330-0061 | 5/8-18 |
37/64" |
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$16.00 | TAB-3/4-10
| 3/4"-10 HS Bottoming Tap 0330-0076 | 3/4-10 |
21/32" |
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$16.00 | TAB-3/4-16
| 3/4"-16 HS Bottoming Tap 0330-0091 | 3/4-16 |
11/16" |
|
$21.50 | TAB-7/8-9
| 7/8"-9 HS Bottoming Tap 0331-0016 | 7/8-9 |
49/64" |
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$21.50 | TAB-7/8-14
| 7/8"-14 HS Bottoming Tap 0331-0031 | 7/8-14 |
13/16" |
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$29.50 | TAB-1-8
| 1"-8 HS Bottoming Tap 0331-0046 | 1"-8 |
7/8" |
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$29.50 | TAB-1-12
| 1"-12 HS Bottoming Tap 0331-0061 | 1"-12 |
59/64" |
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$29.50 | TAB-1-14
| 1"-14 HS Bottoming Tap 0331-0076 | 1"-14 |
15/16" |
|
$46.00 | TAB-1-1/8-7
| 1-1/8"-7 HS Bottoming Tap 0331-0091 | 1 1/8-7 |
63/64" |
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$46.00 | TAB-1-1/8-12
| 1-1/8"-12 HS Bottoming Tap 0331-0106 | 1 1/8-12 |
1-3/64" |
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$61.00 | TAB-1-1/4-7
| 1-1/4"-7 HS Bottoming Tap 0331-0121 | 1 1/4-7 |
1-7/64" |
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$61.00 | TAB-1-1/4-12
| 1-1/4"-12 HS Bottoming Tap 0331-0136 | 1 1/4-12 |
1-11/64" |
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$76.00 | TAB-1-3/8-6
| 1-3/8"-6 HS Bottoming Tap 0331-0151 | 1 3/8-6 |
1-7/32" |
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$76.00 | TAB-1-3/8-12
| 1-3/8"-12 HS Bottoming Tap 0331-0166 | 1 3/8-12 |
1-19/64" |
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$87.00 | TAB-1-1/2-6
| 1-1/2"-6 HS Bottoming Tap 0331-0181 | 1 1/2-6 |
1-11/32" |
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$87.00 | TAB-1-1/2-12
| 1-1/2"-12 HS Bottoming Tap 0331-0196 | 1 1/2-12 |
1-27/64" |