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WALTON Tap Extensions Style B

type B tap extension

Features | Dimensions: Regular Taps    Pipe taps
 

 

For machine and hand tapping
using a tap extension on a drill press Features: Easy Access - These Tap Extensions provide accurate, easy access into hard-to-reach tapping locations. Smaller socket end O.D. permits extension to pass through a standard liner bushing.

tap extension set

Quality Tool - Made of alloy steel to close tolerances and carefully heat-treated for strength and durability, both the square and round sockets conform to size standards of leading tap manufacturers.

Tap Held Securely - Each extension is designed for a specific tap size. The tap, supported by the close-fitting deep socket of the extension, is held firmly in position by two socket set screws bearing 90° apart on the square of the tap.

Inexpensive - Our cost is considerably less than the cost of "special," hard-to-get extra length taps, yet they can be used many times, as they do not wear out like the taps they are used with.

 

 
 
extension dimensions

 

 

Tap Size Part Number A B D J E C
#0-#6 (1.6-3.5mm) EXTEN.B-0-6 5/16" 0.25 0.142 0.112 0.191 0.255
#8 (4mm) EXTEN.B-8 3/8" 0.25 0.169 0.133 0.191 0.255
#10 (3/16") (4.5-5mm) EXTEN.B-10 3/8" 0.312 0.195 0.154 0.191 0.255
#12 (5.5mm) EXTEN.B-12 7/16" 0.312 0.22 0.166 0.164 0.219
1/4" (6mm) EXTEN.B-1/4 7/16" 0.375 0.256 0.193 0.191 0.255
5/16" (7-8mm) EXTEN.B-5/16 1/2" 0.437 0.319 0.24 0.237 0.318
3/8" (10mm) EXTEN.B-3/8 5/8" 0.5 0.382 0.288 0.285 0.381
7/16" (11mm) EXTEN.B-7/16 5/8" 0.5 0.324 0.244 0.241 0.323
1/2" (12mm) EXTEN.B-1/2 5/8" 0.5 0.368 0.277 0.274 0.367
Set No. 9 * EXTEN.B-SET 9 piece set from #0-1/2" ( 1.6mm - 12mm)
9/16" (14mm) EXTEN.B-9/16 11/16" 0.562 0.43 0.322 0.32 0.428
5/8" (16mm) EXTEN.B-5/8 3/4" 0.625 0.481 0.361 0.359 0.479
11/16" (17-18mm) EXTEN.B-11/16 7/8" 0.687 0.544 0.408 0.405 0.541
3/4"  EXTEN.B-3/4 7/8" 0.75 0.591 0.443 0.441 0.589
13/16" (20mm) EXTEN.B-13/16 1 1/16" 0.812 0.654 0.493 0.488 0.651
7/8" (22mm) EXTEN.B-7/8 1 1/16" 0.906 0.698 0.524 0.522 0.696
15/16" (24mm) EXTEN.B-15/16 1 1/16" 0.937 0.765 0.575 0.57 0.759
1" (25mm) EXTEN.B-1 1 1/16" 1 0.801 0.601 0.599 0.799
1 1/16" (27mm) EXTEN.B-1.1/16 1 3/16" 1.14 0.897 0.674 0.671 0.895
1 1/8" (27mm) EXTEN.B-1.1/8 1 3/16" 1.14 0.897 0.674 0.671 0.895
1 3/16" (30mm) EXTEN.B-1.3/16 1 3/8" 1.328 1.022 0.768 0.765 1.02
1 1/4" (30mm) EXTEN.B-1.1/4 1 3/8" 1.328 1.022 0.768 0.765 1.02
1 5/16" (33mm) EXTEN.B-1.5/16 1 1/2" 1.437 1.109 0.833 0.83 1.107
1 3/8" (33mm) EXTEN.B-1.3/8 1 1/2" 1.437 1.109 0.833 0.83 1.107
1 7/16" (36mm) EXTEN.B-1.7/16 1 3/4" 1.64 1.234 0.927 0.924 1.232
1 1/2" (38mm) EXTEN.B-1.1/2 1 3/4" 1.64 1.234 0.927 0.924 1.232

*Complete Set of Nine Extensions
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.

 

 
 
Pipe Tap Size Part Number A B D J E C
1/16" & 1/8" EXTEN.B-1/16PT 5/8" 0.497 0.3125 0.235 0.233 0.312
1/8" EXTEN.B-1/8PT 3/4" 0.559 0.4375 0.329 0.327 0.437
1/4" EXTEN.B-1/4PT 1 5/16" 0.715 0.5625 0.422 0.42 0.562
3/8" EXTEN.B-3/8PT 1 1/16" 0.84 0.7 0.532 0.53 0.699
1/2" EXTEN.B-1/2PT 1 1/16" 0.84 0.6875 0.516 0.514 0.687
3/4" EXTEN.B-3/4PT 1 3/16" 1.139 0.912 0.695 0.678 0.905
1" EXTEN.B-1PT 1 1/2" 1.436 1.131 0.859 0.842 1.124

Size range: seven tools to fit eight different sizes of Pipe Taps (4-flute and 5-flute styles) from 1/16" through 1" pipe, as
listed above. 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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Trademarks are the properties of their respective owner(s).

November 2022, updated January 2014, June 2004

The descriptions, illustrations, specifications, dimensions, and part numbers are subject to change without notice.


Servicing the Canadian provinces and territories of
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