Style B Tap Extensions for both Machine and Hand Tapping

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UPC No. 054808

Style B Tap Extensions

Single Style B Tap Extensions for Standard Taps

Tap Extension for machine and hand tapping
Single Extensions
Tap Size EDP No. A B D J E C
Inch Metric
#0-#6(1.6-3.5mm)400065/16" .250 .142 .112 .191 .255
#8(4mm)400083/8" .250 .169 .133 .191 .255
#10 (3/16")(4.5-5mm)400103/8" .312 .195 .154 .191 .255
#12(5.5mm)40012 7/16" .312 .220 .166 .164 .219
1/4"(6mm)400257/16" .375 .256 .193 .191 .255
5/16"(7-8mm)400311/2" .437 .319 .240 .237 .318
3/8"(10mm)400375/8" .500 .382 .288 .285 .381
7/16"(11mm)400435/8" .500 .324 .244 .241 .323
1/2"(12mm)400505/8" .500 .368 .277 .274 .367
Set No. 940090Complete set of nine extensions
9/16"(14mm)4005611/16" .562 .430 .322 .320 .428
5/8"(16mm)400623/4" .625 .481 .361 .359 .479
11/16"(17-18mm)400687/8" .687 .544 .408 .405 .541
3/4" 400757/8" .750 .591 .443 .441 .589
13/16"(20mm)40081 1-1/16" .812 .654 .493 .488 .651
7/8"(22mm)40087 1-1/16" .906 .698 .524 .522 .696
15/16"(24mm)40093 1-1/16" .937 .765 .575 .570 .759
1"(25mm)40100 1-1/16" 1.000 .801 .601 .599 .799
1-1/16"(27mm)40106 1-3/16" 1.140 .897 .674 .671 .895
1-1/8"(27mm)40112 1-3/16" 1.140 .897 .674 .671 .895
1-3/16"(30mm)40118 1-3/8"1.3281.022 .768 .765 1.020
1-1/4"(30mm)40125 1-3/8"1.3281.022 .768 .765 1.020
1-5/16"(33mm)40131 1-1/2"1.4371.109 .833 .8301.107
1-3/8"(33mm)40137 1-1/2"1.4371.109 .833 .8301.107
1-7/16"(36mm)40143 1-3/4" 1.6401.234 .927 .9241.232
1-1/2"(38mm)40150 1-3/4" 1.6401.234 .927 .9241.232
Tap Extension Set No. 9

Style B Tap Extension Sets & Cases

Set No. 9
Each set of nine Style B Tap Extensions fits 15 tap sizes and is packed in a sturdy plastic case. The set includes three hex keys and six extra socket set screws.

Plastic Set Case (Empty): For Set No. 9 Extensions – 40095


Set Screw & Key Specifications
Extension Size EDP No. Screw Size EDP No. Key Size
#0-#6
#8
#10 (3/16")		42009#3-48 x 3/32"42105 .050
#12
1/4"
5/16"		42012#8-36 x 1/8"421075/64"
3/8"
7/16"
1/2"
9/16"
5/8"
1/16" PIPE
1/8" PIPE		420181/4-28 x 3/16"421121/8"
1-1/16" to 1-1/2"
and
1/4" to 1" PIPE		420255/16-24 x 1/4"421155/32"

Important ordering information for all Walton Tap Extensions:

  1. Do not use the abbreviation "EXT." on your orders. This could refer to either "Extensions" or "Extractors."
  2. All orders for WALTON Tap Extensions must clearly specify either "Style A" or "Style B." Please note the range of sizes available for each. Also note that Style A Extensions are only used for hand tapping.
  3. The unit of packaging and pricing for Style A Extensions is a set, or pair, of two (2) per box. Style B Extensions are packaged and priced individually (except Set No. 9).
  4. Special sizes or lengths will be quoted upon receipt of complete dimensional requirements, when within the range of our manufacturing capabilities.
  5. Size 3/8" taps are available with either .206 sq. shanks or .286 sq. shanks. We have two different sizes of Style A Extensions to fit these two tap squares. Please specify which size is required.
  6. Orders for Pipe Tap Extensions must clearly specify "Pipe Tap" and indicate "Style B."
  7. Size 1/8" Pipe Taps are available with either .3125 dia. shanks or .4375 dia. shanks. We have two different sizes of Style B Pipe Tap Extensions to fit these. Please specify which size is required.

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