the shank part of the drill bit broke off, i dont know if it was because it was too cold or because the drill bit was defective, is it possible to get a replacement one?

Yes, it is possible. Contact us to speak with a Greenlee technical support representative to determine yout options for replacement.

What is the recommended drill speed for these bits using a standard 1/2” cordless drill?

Hello, There isn't a recommended speed. However, the recommendation is a standard drill that produces revolutions between 800 - 3,000 RPMs. Thank you, Professional Tools

What is the difference between 36022 and GSBM325? I'm looking for 36022. where can I get one? Don't you make 36022 anymore?

Hello, The 36022 is discontinued and replaced by the new product GSBM325. Thank you, Professional Tools

Do you make a drill extension that fits the shank of the 1 3/8" step bit.

Hello, Unfortunately, there isn't a compatible extension that will fit the step bit sets. Thank you, Professional Tools

Thanks for advising that GSB04 replaced 34403C. I'd like to know whether it's plain HSS vs Titanium vs cobalt HSS. What is the metal composition of the GSB04?

Hello, The compositions are: CARBON CONTENT OF 0.82 - 0.88% MOLYBDENUM CONTENT OF 4.62 - 5.10% VANADIUM CONTENT OF 1.75 - 2.00% COBALT CONTENT OF 0.70% Thank you, Professional Tools

I notice that unlike 34403C that's part of kit 35884C there's no mention of cobalt HSS or any other metallurgy description for GSB04. Also 34403C is described as 12 steps but GSB04 is only 4 steps. The 2 bits appear to be the same. Are they equivalent?

Hello, The GSB04 is the replacement of the 34403C, because it is discontinued. Thank you, Professional Tools

I'm an electrician and I already had a #9 step bit that I've been using for a long time, but I needed a bigger one so I bought #12 the 4th time I used it, it wasn't cutting anything else in the last measurement. Does this tool have a factory warranty?

Hello, Yes, the warranty is one year from the purchase date. Thank you, Professional Tools

Can you please confirm p/n: GSBSET3 is active or obsolete. If obsolete please share the replacement p/n.

Hello, This catalog number is valid. Please advise. Thank you, Greenlee Tools

What is it made out of, HSS, Cobalt, Carbide?

Hello, This content of this item is; 0.83% carbon, 4.65% molybdenum, 1.75% vanadium and a maximum of 0.70% cobalt. Thank you, Greenlee Technical Support

Fraise étagée Cobalt de 7/8 po (n° 3)

Name: Fraise étagée Cobalt de 7/8 po (n° 3)
Brand: Greenlee

Cat #: 34403C

UPC #: 0783310057901

Fraise étagée Cobalt de 7/8 po (n° 3)

Cat #: 34403C

UPC #: 0783310057901

Conçue avec du matériel d’acier rapide au cobalt, pour une durée de vie maximale en acier inoxydable.
Coupe aussi l’acier doux, le cuivre, le laiton, l’aluminium, la fibre de verre, le plastique, le bois, les matériaux stratifiés

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Caractéristiques

Sous-marque	Kwik Stepper®
Application	Fraise étagée en acier rapide au cobalt pour de l’acier inoxydable de calibre 10 maximum
Type	Fraise étagée cobalt
Nombre de rapport de perçage	12

* Greenlee® peut apporter des améliorations et / ou des changements dans les spécifications des produits à tout moment, à sa seule discrétion, sans préavis ni obligation et se réserve en outre le droit de changer ou d'interrompre les modèles.