Collet system

Makita RT0701C collet: 1/4 in part 763637-1 and wrenches

The Makita RT0701C's own 1/4 in collet (763637-1), the wrenches Makita supplies, the router's speed and power labels, and why it is not an ER collet.

Also listed as 763637-1, Makita 1/4 in collet cone

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Short answer

The Makita RT0701C uses Makita's own 1/4 in collet, part 763637-1, supplied with two spanner wrenches (781039-9 and 781011-1). It is a router collet, not an ER collet. Makita lists the router at 1-1/4 HP maximum horsepower and 10,000 to 30,000 RPM no-load.

What fitsAll 3 items that fit

  • Router (kit)Makita RT0701CX3 1‑1/4 HP compact router kit (RT0701C with fixed, plunge, tilt and offset bases)RT0701CX3 kit: RT0701C router with 1/4 in collet, plunge, tilt and offset bases, trimmer guide, two dust nozzles, straight guide, two wrenches and tool bagCheck price on Amazon

Key facts

Type
Makita's own router collet, part 763637-1 (not an ER collet)[1]
Standard
Not confirmed
Collet dimensions
Not confirmed
Shank range makers list
1/4 in (6.35 mm, calculated from 25.4 mm per inch)[1][2]A 1/4 in shank is not a 6 mm shank.
Largest inch size listed
1/4 in, the collet Makita specifies for the RT0701C[1]Makita's page also shows a 3/8 in collet (763619-3) among related accessories; without the parts breakdown we do not list it as RT0701C fit.
Range per collet
Not confirmed
Nut thread
Not confirmed
Spindles and routers that use it
Makita RT0701C compact router: 1-1/4 HP maximum horsepower label, 10,000-30,000 RPM no-load, 3.9 lb and 7-7/8 in with the fixed base[1]HP is Makita's label; it is not a comparison with spindle kW ratings.
Sizes supplied in kits
763637-1 (1/4 in) with two spanner wrenches (781039-9 and 781011-1), a trimmer base and a straight guide[1]
Runout claims (maker's)
Not confirmed
Makers' clamping rules
Not confirmed
Not confirmed
Not confirmed

Watch out for

  • ER collets do not fit the RT0701C; it takes Makita's own collet.
  • Makita shows a 3/8 in collet among related accessories, but specifies the RT0701C for its 1/4 in collet.
  • Never run a bit above its maker's stated speed; the RT0701C's no-load range reaches 30,000 RPM.

What fits

Product details below are the seller's own description unless a source is shown. Pick the variant named for each item.

  • Spare collet

    Makita 763637‑1 1/4 in collet cone for the RT0701C and RT0700C

    Choose the 1/4 in collet cone (763637-1).

    Makita lists 763637-1 as the 1/4 in collet supplied with the RT0701C.

  • Router

    Makita RT0701C 1‑1/4 HP compact router, fixed base (65 mm class, 1/4 in collet)

    Choose the RT0701C with the fixed base and 1/4 in collet.

    Makita supplies it with collet 763637-1 and two wrenches.

  • Router (kit)

    Makita RT0701CX3 1‑1/4 HP compact router kit (RT0701C with fixed, plunge, tilt and offset bases)

    Choose the RT0701CX3 kit for the same RT0701C router with extra bases.

    Makita lists the RT0701CX3 kit with the 1/4 in collet.

The RT0701C is a 65 mm class router; see 65 mm mounts for holders and boots.

Questions

What collet does the Makita RT0701C use?

Makita lists the included 1/4 in collet as part 763637-1, supplied with two spanner wrenches, 781039-9 and 781011-1.[1]

Does the Makita RT0701C take a 1/2 in bit?

No. Makita specifies the RT0701C for a 1/4 in collet. For 1/2 in shanks, look at an ER20 spindle instead.[1]

Sources

  1. RT0701C 1-1/4 HP* Compact Router · Makita U.S.A. · US product page for Makita RT0701C (specifications, included items, related accessories) · checked 11 Oct 2026
  2. SI Units - Length · NIST Office of Weights and Measures · Definition of the inch as exactly 25.4 mm (effective July 1, 1959) · checked 11 Oct 2026

Next review due 10 Jan 2027.