SIMDJNR Boring Bar
SI-MDJNR 32-5 -3° Side & End Cutting Edge Angle for Negative 55° Diamond DNM_ Inserts
Made in the USA
SIMDJNR 32-5 -3° Side & End Cutting Edge Angle for Negative 55° Diamond DNM_ Inserts
SIMDJNR Boring Bar
SI-MDJNR 32-5 -3° Side & End Cutting Edge Angle for Negative 55° Diamond DNM_ Inserts
Made in the USA
SIMDJNR 32-5 -3° Side & End Cutting Edge Angle for Negative 55° Diamond DNM_ Inserts

SIMDJNR 32-5 -3° Side & End Cutting Edge Angle for Negative 55° Diamond DNM_ Inserts

Boring Bar
$403.86
Item #
Quantity
- +

SIMDJNR 32-5 — boring bar, 2.00" bar diameter, 3.000" minimum bore, 16.0" overall length. Made in the USA by RMC Tooling.

-3° End Cutting Edge Angle for Negative 55° Diamond DNM_ Inserts.

Steel-shank indexable boring bar from RMC Tooling, machined in the United States. Ground shank, standard indexable geometry, and a rigid clamping system sized to the bar diameter — the combination that keeps chatter down at the depths where boring bars usually give up.

Sized by minimum bore, so start there: pick the largest bar diameter your bore will clear. Every clamp, lock pin, seat and screw in this bar is a stocked RMC service part, listed below.

Specifications

  • Model: SIMDJNR 32-5
  • Minimum bore: 3.000"
  • Bar diameter (D): 2.00"
  • Overall length (C): 16.0"
  • Lead angle (K°): 11°
  • Holding method: screw only
  • Holder style: straight shank, 40° side cutting edge angle
  • Holder rake: 15° positive
  • Brand: RMC Tooling — made in the USA

Exact replacement parts for this tool

These are the service parts RMC lists for this exact model — not a generic cross-reference. Every one is stocked.

Insert DNM_-543 — 5/8" I.C. · 1/4" thick · 3/64" nose radius
Seat / shim IDSN-533
Lock pin NL-58
Clamp CL-30
Clamp screw XNS-510
Seat screw S-58

See all RMC spare parts & hardware →

Not sure how to read an insert code? Turning insert designation explained.

Dimensions as published in the RMC 2020 catalog, page 47.

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