❌︎ 
 Filter Results
 
 
 
 
 

Share

Link:
Copy Link | Email Link

All Products  ➞ Bordo ➞ Taps & Dies ➞ HSS Hand and Machine Taps ➞ HSS Tap BSW Left Hand

7/8" x 9 Left Hand BSW Bottoming HSS Tap

Part Number:3086-7/8B
Brand:Bordo
Barcode:9326518006565
Pack Qty:1
Diameter (inch):7/8
Drill Diameter (mm):19.5
Lead:Bottoming
Overall Length (mm):118
Pitch (tpi):9
Thread Form:BSW

About this item:
  • 7/8" x 9 Left Hand BSW Bottoming HSS Tap
  • HSS BSW LEFT HAND Bottoming Hand and Machine Tap.
  • British Standard Whitworth has a thread angle of 55 degrees as opposed to 60 degrees in Metric and Unified threads.
  • This thread form was developed by Sir Joseph Whitworth in 1841.
  • The thread form has rounded roots and crests and is specified in BS84:1956.
  • Bottoming Taps have a lead of two threads and are used to ensure minimum thread run-out when tapping to the bottom of a blind hole.
  • Bottoming Taps are typically preceded by the use of a Taper or Intermediate Tap.
  • Manufactured from HSS this general purpose tap is designed for use in medium tensile materials and is for hand or general machine use.
Alternative Products
 
 Selected
Product
Alternative
Part Number:3086-7/8BC19AC4L
Title:7/8" x 9 Left Hand BSW Bottoming HSS Tap7/8" x 9 BSW Bottoming Left Hand HSS Tap - Goliath
Barcode93265180065659349009008107
BrandBordoGoliath
Thread FormBSWBSW
Diameter (inch)7/87/8
Drill Diameter (mm)19.519.25
LeadBottomingBottoming
Overall Length (mm)118118
Pitch (tpi)99
TPI9
ToleranceCL 2
Pack Qty11
# Flutes4
StandardISO529