JIS HT MST

Hand Tap for Microscope Objective Lens

Specification

  • Product Features

●Taps for Microscope Objective Lens

  • The taps can be used for creating internal screw threads with machining center or by

Recommended Tapping Speeds depending on Materials hand and rethreading as well. For through

hole use. Brass For RMS-type Whitworth threads specified in 10黄銅 JIS B 7141 “Microscopes objective lens”. 〜 This tap is also suitable for repair or (m/min) cleaning of internal threads.

TYPE:1

Segment:1A

SizeCodeChamferL (mm)ℓ (mm)ℓs (mm)Ds (mm)K (mm)ℓk (mm)No. of flutesTYPEMSRP
For Microscope Objective Lens
20.32W36TYRMS10LEB55P87164418141741¥ 25,200 □
20.32W36TYRMS10LEBA1.5P87164418141741¥ 25,200 □
  • Internal thread specifications of threads for microscope The tap is used for internal
objective lens “RMS 20.32W360”unit: mmthreads of a microscope
AllowableMinor Diameter Pitch Diameter Minor Diameter
Sizerevolver as shown in the
Value(D)(D )(D )
21
Max.20.39619.94419.550picture.
20.32W36
Min.20.32019.86819.474

■Chips(brass)

  • For Microscope Objective Lens
  • Bored hole size

unit:mm unit: mm

MajorPitch DiameterMinorMinor Diameter of Internal Thread (D )Bored Hole Size
DiameterDiameterSize1

Max. Min. (Reference)

Size Class Upper Lower

BasicBasicToleranceToleranceBasic20.32W3619.55019.47419.53
SizeSize( μ m)( μ m)Size

20.32W36 - 20.320 19.868 38 23 19.416