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Part# 12-00883
MFR Model# 9885


This angle drill kit includes a drill attachment with quality ball bearing construction for long life. Kit includes 12 threaded drills in assorted sizes and lengths, a mini 3-jaw chuck with 1/16" to 1/4" diameter capacity, and a molded storage case. Made in the U.S.A.

Drill Sizes:
1 ea. #2140 #40 stubby
1 ea. #2130 #30 stubby
2 ea. #3140 #40 short
2 ea. #3130 #30 short
1 ea. #3127 #27 short
1 ea. #3121 #21 short
1 ea. #3112 #12 short
1 ea. #3114 #1/4" short
1 ea. #4140 #40 long
1 ea. #4130 #30 long
1 ea. #20379 Mini 3-jaw chuck
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Works well, just the tool was a bit dinged up. Tools in that price range should look immaculate on arrival. The bits were untouched but the body had some marks.

Martin R
June 23, 2020

This works Great! Nice options too! You get what you Pay for!

Shop W
March 6, 2020


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Is the Avery 90 deg angle drill kit (p/n 12-00883) air driven or can it be electric drill driven?

Per the vendor, it can be driven either way.

Q: What is the drill thread size?

It is 1/4-28 thread.

Q: What is the height and diameter of the head? (need to determine clearance for tight drilling operation)

3/4" height and 1-1/8" dia (with no drill bit).

Q: What is the total height with the chuck installed?

Overall height of the 90 degree head with the chuck installed is 2" (inches). The head is 1.100" and the chuck is .900" height. Then whatever drill length has to be added. The chuck diameter is .800" round, and the angle head diameter is .700" round.

Q: What is the stall torque on this model?

The stall torque would be the torque on the actual / specific air or electric or battery powered drill motor that is chucked to the 90 degree drill attachment. Since there are so many variables and types of drill motors being used by mechanics, each mechanic would need to determine the actual manufacturers stall torque on his or her personal drill motor. Also on air drills, the amount of air pressure used may have a variance on the torque at the drill motor chuck.

Q: Is there a means of locking the shaft so as not to strain the gears when loosening the bits?

There is a cross drilled hole in the round portion of the handle, about 1-1/2 back from the 90 degree head. The hole goes thru the black handle and the inside shaft (you will have to turn the shaft or drill till the holes line up). Use an 1/8 drill shank, or a scribe, or anything about 1/8 diameter to go into the hole.

Q: Does this have metal gears or plastic gears?

This has metal gears with ball bearings on each gear.

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