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Hi Torque Aviation Bits

Bit style drivers
Our bit drivers are made in the USA to meet Mil-B-9946E and Mil-B-9946/1B. The square drive end meets ANSI B107.4. They are made of hardened shock resisting tool steel. The driver size corresponds to the mating Hi-Torque® fastener size. The special bit pulls into the fastener avoiding stripped fastener heads.

Fastener Size

Square Drive

Bit Style Part No.

1

1/4

HTS-1

2

1/4

HTS-2

3

1/4

HTS-3

4

1/4

HTS-4

4

3/8

HTS-4A

5

3/8

HTS-5

6

3/8

HTS-6

7

1/2

HTS-7

8

1/2

HTS-8

Replaceable blade style drivers
Our replaceable blade style drivers are made in the USA to meet Mil-B-9946E and Mil-B-9946/2. The drivers meet ANSI B107.4. The blades are made of hardened shock resisting tool steel. The blade and driver size correspond to the mating Hi-Torque® fastener size. The special blade shape pulls into the fastener avoiding stripped fastener heads. Blades can be turned several times for extra wear and eventually replaced.

Fastener Size

Square Drive

Bit Style Part No.

Replacement Blade

2

1/4"

HT3202M

HTB2M

3

1/4"

HT3203M

HTB3M

4

1/4"

HT3304M

HTB4M

5

3/8"

HT3305M

HTB5M

6

3/8"

HT3306M

HTB6M

7

1/2"

HT3407M

HTB7M

8

1/2"

HT3408M

HTB8M