PITCHMASTER
- Precision machined and chrome plated caliper and micrometer attachments with precision ground inserts for accurate measurements (sold separately)
- Caliper attachments are designed for use with 6" dial or electronic calipers with max. jaw thickness of 0.140"
- The I.D. Caliper attachment set includes 4 pairs of I.D. inserts to measure threads from 42 to 6.5 TPI with a minimum 5⁄8" minor internal diameter, and all 60° metric internal threads with a minimum 16 mm minor diameter and a pitch from 0,6 mm to 4,0 mm.
- The O.D. Caliper attachment set includes 4 pairs of O.D. inserts for measuring 60° external threads from 42 to 6.5 TPI and 0,6 mm to 4,0 mm pitch.
- The O.D. Micrometer attachment set includes 4 pairs of O.D. inserts to measure 60° external threads from 42 to 6.5 TPI, and 60° external metric threads from 0,6 mm to 4,0 mm pitch with a Micrometer with 1/4" dia. spindle
- Ideal for quick checking threads in the machine shop.
- Furnished with instructions.
PITCHMASTER Sets:
| Part No. | Description |
| 31-470-8 | I.D. and O.D. Attachments & Inserts for Calipers |
| 31-471-6 | I.D. Attachment & Inserts for Calipers |
| 31-472-4 | O.D. Attachment & Inserts for Calipers |
| 31-473-2 | O.D. Attachments & Inserts for Micrometers |
O.D. Insert Pairs:
| Part No. | Description |
| 31-474-0 | 42 - 25 TPI / 0,6 - 1,0 mm Pitch |
| 31-475-7 | 25 - 17 TPI / 1,0 - 1,5 mm Pitch |
| 31-476-5 | 17 - 10 TPI / 1,5 - 2,5 mm Pitch |
| 31-477-3 | 10 - 6,5TPI / 2,5 - 4,0 mm Pitch |
I.D. Insert Pairs:
| Part No. | Description |
| 31-478-1 | 42 - 25 TPI / 0,6 - 1,0 mm Pitch |
| 31-479-9 | 25 - 17 TPI / 1,0 - 1,5 mm Pitch |
| 31-481-5 | 17 - 10 TPI / 1,5 - 2,5 mm Pitch |
| 31-482-3 | 10 - 6,5TPI / 2,5 - 4,0 mm Pitch |
Attachments Only (in Pairs):
| Part No. | Description |
| 31-483-1 | Micrometer Attachment for 1/4" Anvil |
| 31-484-9 | Micrometer Attachment for 0.257" Anvil |
