Boron Kielwood Shaft (Custom)

(1 customer review)

$429.00

1. Kielwood shafts custom-made by renowned Japanese cue maker 早川工房 Boron (Hayakawa Koubou). The material is hand-picked to ensure the best quality. Choose the specifications you like, and we will customize it for you. Have fun building your own shaft! 🙂
2. Kielwood shafts are made of torrified maple. Torrified wood heated to very high temperature changing the cellular structure. Torrified wood is more stable and resistant to humidity and temperature changes because the hydroscopic cellulose is sealed and therefore the wood resists to warping. Stiffness, strength, and integrity of the shaft are naturally maintained over time without any additives or chemicals. For playing, lab vibration testing has indicated that torrified maple has clearer tone than regular maple. The shaft is what players look for as a low-deflection shaft than traditional maple shafts. It has a stiffer, firmer hit but with more feel and finesse than a carbon-fiber shaft.
3. For Ferrule material/color, you have 10 different choices (please check out the 2nd image).
4. Pilot depth is 3.30 mm unless you require otherwise.
5. The shaft comes with a weight kit and an allen wrench so that you can adjust its weight.
6. The typical lead time between the order date and the day you receive the shaft is around 30-40 days and can be expedited.
7. We check the straightness of the shaft before we ship.

SKU: N/A Category:

Additional information

Weight 1.5 lbs
Dimensions 33 × 1 × 1 in
Shaft Type

Dark Roast, Regular

Shaft Length

29", 29.5", 30"

Tip Diameter

11.75 mm, 12.0 mm, 12.25 mm, 12.4 mm, 12.5 mm, 12.7 mm, 12.9 mm, 13 mm

Ferrule Material / Color

ABS white, #4, #5, #6, #7, #8, #9, #10, #11, #12

Ferrule Length

0.4", 0.6"

Joint

5/16-18, 5/16-14, 3/8-10 Standard, 3/8-10 Modified, Radial, Uni-loc, 3/8-11, 3/8-12, 3/8-14, 7/16-11, Cognoscenti, Mezz Wavy

Pilot

No Pilot, Dia. 12.1 mm, Dia. 12.6 mm, Dia. 13.0 mm

Collar Diameter

21.4 mm, 21.5 mm, 21.6 mm, 21.7 mm, 21.8 mm

Collar Color

Black, Tan

Taper

Conical, Pro

Tip Brand

Adam Ken, Kamui Original, Kamui Black, Kamui Athlete, Mammoth, Tiger Everest, Tiger Sniper, Victory, Zan

Tip Hardness

SS, S, M, MS, H, Hybrid Max, Boost

1 review for Boron Kielwood Shaft (Custom)

  1. Robert Fischer (verified owner)

    I got the dark roast shaft in 12.25mm. The shaft is amazing. It has only a tiny bit more deflection then my S.M.O. Shaft but was easy to adjust to. The feel is nice and solid. It has a nice tight fit with my radial joint. 2 or 3 twists and there’s zero play making for a nice tight fit. For anyone wanting the best of carbon fiber and wood, I highly recommend this shaft. You won’t regret it.

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