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Besly Popular Special
Straight Flute Taps

High Speed Steel
Ground Thread

Left Hand

Straight Flute
4 and 6 Flute


Fractional Sizes:
1/4 | 5/16 | 3/8 | 7/16 | 1/2 |
9/16 | 5/8 | 11/16 | 3/4 | 7/8 |
1 | 1-1/8 | 1-1/4 | 1-3/8 | 1-1/2

Also available...

Standard Sizes: Catl No. 4111

Popular Specials: Catl No. 4111

 Catalog Number: 4111LH

Besly Standard  Straight Flute Taps     
Besly Popular Special Straight Flute Taps are for general use in production tapping or hand operations. A choice of taper, plug and bottoming chamfer styles provide great versatility in tough materials with blind or thru holes. The taper style starts the thread square with the hole. The plug style is generally used in thru holes or in blind holes with sufficient clearance. The bottoming style generates the thread to the bottom of the hole. These taps are also available in complete sets of one taper, one plug and one bottoming tap of the same size.

Please call 800 435-2965 for current net pricing.

Note: Click the EDP No to check availability.
 
All dimensions are in inches.                 
  Besly Popular Special
Straight Flute Taps
Catl No. 4111LH
Fractional Sizes		    
 
Besly Surface Treatments Besly Drill Selector
Tap Size
& TPI		 No. of Flutes Cham Type P.D. Limits Special
Features		 Pkg
Qty*		 EDP No Basic Pitch Dia. Overall Length
A		 Thread Length
B		 Shank Dia.
C		 Square Length
D		 Square Size
E
1/4-20 4 Taper H3 Left hand   15590 .2175 2-1/2 1 .255 5/16 .191
1/4-20 4 Plug H3 Left hand   11824 .2175 2-1/2 1 .255 5/16 .191
1/4-20 4 Bot H3 Left hand   11823 .2175 2-1/2 1 .255 5/16 .191
1/4-28 4 Taper H3 Left hand   10020 .2268 2-1/2 1 .255 5/16 .191
1/4-28 4 Plug H3 Left hand   11924 .2268 2-1/2 1 .255 5/16 .191
1/4-28 4 Bot H3 Left hand   15612 .2268 2-1/2 1 .255 5/16 .191
1/4-32 4 Taper H3 Left hand   15599 .2297 2-1/2 1 .255 5/16 .191
1/4-32 4 Plug H3 Left hand   15608 .2297 2-1/2 1 .255 5/16 .191
1/4-32 4 Bot H3 Left hand   15609 .2297 2-1/2 1 .255 5/16 .191
5/16-18 4 Taper H3 Left hand   10021 .2764 2-1/2 1 .255 5/16 .191
5/16-18 4 Plug H3 Left hand   12024 .2764 2-1/2 1 .255 5/16 .191
5/16-18 4 Bot H3 Left hand   12023 .2764 2-1/2 1 .255 5/16 .191
5/16-24 4 Taper H3 Left hand   10022 .2854 2-1/2 1 .255 5/16 .191
5/16-24 4 Plug H3 Left hand   12131 .2854 2-1/2 1 .255 5/16 .191
5/16-24 4 Bot H3 Left hand   12130 .2854 2-1/2 1 .255 5/16 .191
3/8-16 4 Taper H3 Left hand   10023 .3344 2-1/2 1 .255 5/16 .191
3/8-16 4 Plug H3 Left hand   12230 .3344 2-1/2 1 .255 5/16 .191
3/8-16 4 Bot H3 Left hand   12225 .3344 2-1/2 1 .255 5/16 .191
3/8-24 4 Taper H3 Left hand   10024 .3479 2-1/2 1 .255 5/16 .191
3/8-24 4 Plug H3 Left hand   12323 .3479 2-1/2 1 .255 5/16 .191
3/8-24 4 Bot H3 Left hand   15613 .3479 2-1/2 1 .255 5/16 .191
7/16-14 4 Taper H3 Left hand   10025 .3911 2-1/2 1 .255 5/16 .191
7/16-14 4 Plug H3 Left hand   12420 .3911 2-1/2 1 .255 5/16 .191
7/16-14 4 Bot H3 Left hand   15592 .3911 2-1/2 1 .255 5/16 .191
7/16-20 4 Taper H3 Left hand   10026 .4050 2-1/2 1 .255 5/16 .191
7/16-20 4 Plug H3 Left hand   12495 .4050 2-1/2 1 .255 5/16 .191
7/16-20 4 Bot H3 Left hand   15614 .4050 2-1/2 1 .255 5/16 .191
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
Tap Size
& TPI		 No. of Flutes Cham Type P.D. Limits Special
Features		 Pkg
Qty*		 EDP No Basic Pitch Dia. Overall Length
A		 Thread Length
B		 Shank Dia.
C		 Square Length
D		 Square Size
E
1/2-13 4 Taper H3 Left hand   16710 .4500 3-3/8 1-21/32 .367 7/16 .275
1/2-13 4 Plug H3 Left hand   12614 .4500 3-3/8 1-21/32 .367 7/16 .275
1/2-13 4 Bot H3 Left hand   12613 .4500 3-3/8 1-21/32 .367 7/16 .275
1/2-20 4 Taper H3 Left hand   10027 .4675 3-3/8 1-21/32 .367 7/16 .275
1/2-20 4 Plug H3 Left hand   12703 .4675 3-3/8 1-21/32 .367 7/16 .275
1/2-20 4 Bot H3 Left hand   15615 .4675 3-3/8 1-21/32 .367 7/16 .275
9/16-12 4 Taper H3 Left hand   10028 .5084 3-19/32 1-21/32 .429 1/2 .322
9/16-12 4 Plug H3 Left hand   12764 .5084 3-19/32 1-21/32 .429 1/2 .322
9/16-12 4 Bot H3 Left hand   12763 .5084 3-19/32 1-21/32 .429 1/2 .322
9/16-18 4 Taper H3 Left hand   10029 .5264 3-19/32 1-21/32 .429 1/2 .322
9/16-18 4 Plug H3 Left hand   12804 .5264 3-19/32 1-21/32 .429 1/2 .322
9/16-18 4 Bot H3 Left hand   15620 .5264 3-19/32 1-21/32 .429 1/2 .322
5/8-11 4 Taper H3 Left hand   15593 .5660 3-13/16 1-13/16 .480 9/16 .360
5/8-11 4 Plug H3 Left hand   12883 .5660 3-13/16 1-13/16 .480 9/16 .360
5/8-11 4 Bot H3 Left hand   15594 .5660 3-13/16 1-13/16 .480 9/16 .360
5/8-18 4 Taper H3 Left hand   15621 .5889 3-13/16 1-13/16 .480 9/16 .360
5/8-18 4 Plug H3 Left hand   12940 .5889 3-13/16 1-13/16 .480 9/16 .360
5/8-18 4 Bot H3 Left hand   15622 .5889 3-13/16 1-13/16 .480 9/16 .360
11/16-11 4 Taper H3 Left hand   15632 .6285 4-1/32 1-13/16 .542 5/8 .406
11/16-11 4 Plug H3 Left hand   15633 .6285 4-1/32 1-13/16 .542 5/8 .406
11/16-11 4 Bot H3 Left hand   15634 .6285 4-1/32 1-13/16 .542 5/8 .406
11/16-16 4 Taper H3 Left hand   19121 .6469 4-1/32 1-13/16 .542 5/8 .406
11/16-16 4 Plug H3 Left hand   19118 .6469 4-1/32 1-13/16 .542 5/8 .406
11/16-16 4 Bot H3 Left hand   19119 .6469 4-1/32 1-13/16 .542 5/8 .406
11/16-18 4 Taper H3 Left hand   15635 .6514 4-1/32 1-13/16 .542 5/8 .406
11/16-18 4 Plug H3 Left hand   15636 .6514 4-1/32 1-13/16 .542 5/8 .406
11/16-18 4 Bot H3 Left hand   15637 .6514 4-1/32 1-13/16 .542 5/8 .406
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
Tap Size
& TPI		 No. of Flutes Cham Type P.D. Limits Special
Features		 Pkg
Qty*		 EDP No Basic Pitch Dia. Overall Length
A		 Thread Length
B		 Shank Dia.
C		 Square Length
D		 Square Size
E
3/4-10 4 Taper H3 Left hand   10030 .6581 4-1/4 2 .590 11/16 .442
3/4-10 4 Plug H3 Left hand   13051 .6581 4-1/4 2 .590 11/16 .442
3/4-10 4 Bot H3 Left hand   15595 .6581 4-1/4 2 .590 11/16 .442
3/4-16 4 Taper H3 Left hand   10031 .7094 4-1/4 2 .590 11/16 .442
3/4-16 4 Taper H5 Left hand   13082 .7094 4-1/4 2 .590 11/16 .442
3/4-16 4 Plug H3 Left hand   15623 .7094 4-1/4 2 .590 11/16 .442
3/4-16 4 Plug H5 Left hand   12226 .7094 4-1/4 2 .590 11/16 .442
3/4-16 4 Bot H3 Left hand   12227 .7094 4-1/4 2 .590 11/16 .442
3/4-16 4 Bot H5 Left hand   12228 .7094 4-1/4 2 .590 11/16 .442
3/4-20 6 Taper H3 Left hand   15602 .7175 4-1/4 2 .590 11/16 .442
3/4-20 6 Plug H3 Left hand   15603 .7175 4-1/4 2 .590 11/16 .442
3/4-20 6 Bot H3 Left hand   15604 .7175 4-1/4 2 .590 11/16 .442
7/8-9 4 Taper H4 Left hand   10032 .8028 4-11/16 2-7/32 .697 3/4 .523
7/8-9 4 Plug H4 Left hand   13154 .8028 4-11/16 2-7/32 .697 3/4 .523
7/8-9 4 Bot H4 Left hand   15600 .8028 4-11/16 2-7/32 .697 3/4 .523
7/8-14 4 Taper H4 Left hand   10033 .8286 4-11/16 2-7/32 .697 3/4 .523
7/8-14 4 Plug H4 Left hand   13183 .8286 4-11/16 2-7/32 .697 3/4 .523
7/8-14 4 Bot H4 Left hand   15624 .8286 4-11/16 2-7/32 .697 3/4 .523
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
Tap Size No. of Flutes Cham Type P.D. Limits Special
Features		 Pkg
Qty*		 EDP No Basic Pitch Dia. Overall Length
A		 Thread Length
B		 Shank Dia.
C		 Square Length
D		 Square Size
E
1-8 4 Taper H4 Left hand   10034 .9188 5-1/8 2-1/2 .800 13/16 .600
1-8 4 Plug H4 Left hand   13242 .9188 5-1/8 2-1/2 .800 13/16 .600
1-8 4 Bot H4 Left hand   15601 .9188 5-1/8 2-1/2 .800 13/16 .600
1-12 4 Taper H4 Left hand   15625 .9459 5-1/8 2-1/2 .800 13/16 .600
1-12 4 Plug H4 Left hand   10035 .9459 5-1/8 2-1/2 .800 13/16 .600
1-12 4 Bot H4 Left hand   15630 .9459 5-1/8 2-1/2 .800 13/16 .600
1-14 4 Taper H4 Left hand   10036 .9536 5-1/8 2-1/2 .800 13/16 .600
1-14 4 Plug H4 Left hand   13292 .9536 5-1/8 2-1/2 .800 13/16 .600
1-14 4 Bot H4 Left hand   15631 .9536 5-1/8 2-1/2 .800 13/16 .600
1-16 6 Taper H3 Left hand   15638 .9594 5-1/8 2-1/2 .800 13/16 .600
1-16 6 Plug H3 Left hand   15639 .9594 5-1/8 2-1/2 .800 13/16 .600
1-16 6 Bot H3 Left hand   15640 .9594 5-1/8 2-1/2 .800 13/16 .600
1-20 6 Taper H3 Left hand   15605 .9675 5-1/8 2-1/2 .800 13/16 .600
1-20 6 Plug H3 Left hand   15606 .9675 5-1/8 2-1/2 .800 13/16 .600
1-20 6 Bot H3 Left hand   15607 .9675 5-1/8 2-1/2 .800 13/16 .600
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.
Tap Size TPI No. of Flutes Cham Type P.D. Limits Special
Features		 Pkg
Qty*		 EDP No Basic Pitch Dia. Overall Length
A		 Thread Length
B		 Shank Dia.
C		 Square Length
D		 Square Size
E
1-1/8 7 4 Taper H4 Left hand   18752 1.0322 5-7/16 2-9/16 .896 7/8 .672
1-1/8 7 4 Plug H4 Left hand   18753 1.0322 5-7/16 2-9/16 .896 7/8 .672
1-1/8 7 4 Bot H4 Left hand   18754 1.0322 5-7/16 2-9/16 .896 7/8 .672
1-1/8 12 4 Taper H4 Left hand   18764 1.0322 5-7/16 2-9/16 .896 7/8 .672
1-1/8 12 4 Plug H4 Left hand   18765 1.0322 5-7/16 2-9/16 .896 7/8 .672
1-1/8 12 4 Bot H4 Left hand   18766 1.0322 5-7/16 2-9/16 .896 7/8 .672
1-1/4 7 4 Taper H4 Left hand   18800 1.1572 5-3/4 2-9/16 1.021 1 .766
1-1/4 7 4 Plug H4 Left hand   18801 1.1572 5-3/4 2-9/16 1.021 1 .766
1-1/4 7 4 Bot H4 Left hand   18802 1.1572 5-3/4 2-9/16 1.021 1 .766
1-1/4 12 6 Taper H4 Left hand   18809 1.1572 5-3/4 2-9/16 1.021 1 .766
1-1/4 12 6 Plug H4 Left hand   18810 1.1572 5-3/4 2-9/16 1.021 1 .766
1-1/4 12 6 Bot H4 Left hand   18811 1.1572 5-3/4 2-9/16 1.021 1 .766
1-3/8 6 4 Taper H4 Left hand   19123 1.2668 6-1/16 3 1.108 1-1/16 .831
1-3/8 6 4 Plug H4 Left hand   19124 1.2668 6-1/16 3 1.108 1-1/16 .831
1-3/8 6 4 Bot H4 Left hand   19122 1.2668 6-1/16 3 1.108 1-1/16 .831
1-3/8 12 6 Taper H4 Left hand   19126 1.2668 6-1/16 3 1.108 1-1/16 .831
1-3/8 12 6 Plug H4 Left hand   19127 1.2668 6-1/16 3 1.108 1-1/16 .831
1-3/8 12 6 Bot H4 Left hand   19128 1.2668 6-1/16 3 1.108 1-1/16 .831
1-1/2 6 4 Taper H4 Left hand   19129 1.3918 6-3/8 3 1.233 1-1/8 .925
1-1/2 6 4 Plug H4 Left hand   19130 1.3918 6-3/8 3 1.233 1-1/8 .925
1-1/2 6 4 Bot H4 Left hand   19131 1.3918 6-3/8 3 1.233 1-/8 .925
1-1/2 12 6 Taper H4 Left hand   19132 1.3918 6-3/8 3 1.233 1-1/8 .925
1-1/2 12 6 Plug H4 Left hand   19133 1.3918 6-3/8 3 1.233 1-1/8 .925
1-1/2 12 6 Bot H4 Left hand   19137 1.3918 6-3/8 3 1.233 1-1/8 .925
 * No standard package quantity. Price determined by quantity ordered. Go to the top of this page.

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