Description
Crews tighten most heavy joints with a socket, not a ring or open-end head. The Snap-on QZD24BDP ratcheting head makes that possible on a Z-shank body, because it adds a 3/4 in square drive with a ratchet. Snap-on notes that square drive heads let its bodies work with sockets, crowfoot wrenches and similar attachments.
Snap-on QZD24BDP ratcheting head data
- Square drive: 3/4 in.
- Shank: Z (0.990 in), dual pins.
- Head outside diameter: 2-1/2 in.
- Head depth: 1-1/4 in.
- Ratchet service kit: RKRQC4.
- Fastener center to retaining pin: 5.75 in (QZD series).
Bodies for the QZD24BDP
The head fits Z-shank bodies only. On SMK Vietnam, for example, those include the QD4IN800A dual-range click body. Electronic choices include the CTECH4Z600A, TECH4Z600 and CTLNK4Z600. Since the head keeps the standard 5.75 in Z spacing, Snap-on’s dual-range QD bodies need no adjustment calculation with it.
Check the torque limit
Snap-on’s ratcheting head table does not print a working torque for this model. Therefore, have Lost in HCM confirm the QZD24BDP limit before you set a high value. Also check the rating of the socket and any extension you add.
Choosing a Z-shank drive head
First, decide between ratcheting and fixed drives. The QZD24BDP ratchets, so it suits bolts you can swing through only a short arc. The fixed QZSD24ADP, by contrast, has no ratchet and a deeper 2 in body. Next, pick the drive size. Snap-on also lists the QZD32BDP with a 1 in drive, plus the QZD32A-1 adaptor from Z shank to 1 in drive.
Servicing the QZD24BDP
Ratchets wear with use, so plan for it. Snap-on pairs this head with the RKRQC4 service kit, which lets a workshop renew the ratchet. Meanwhile, keep the drive square clean and the pins free of grit. Also never use the setup to break a fastener loose.
Order the Snap-on QZD24BDP ratcheting head
Lost in HCM supplies this head and prepares the quote, and SMK Vietnam lists it as a partner product. Share your body model and target torque, so Lost in HCM can check the match. Then request a QZD24BDP quote from Lost in HCM. Or browse more torque wrench heads and adaptors, view Z-shank torque wrenches, or contact SMK Vietnam.
QZD24BDP questions
Does the QZD24BDP fit an X-shank body?
No. For X bodies, Snap-on lists the QXD24A, which also has a 3/4 in drive.
Can I fit a 1 in socket?
Not directly. Snap-on offers the QZD32BDP head or the QZD32A-1 adaptor for a 1 in drive.
Which kit repairs the ratchet?
Snap-on lists the RKRQC4 ratchet service kit for this head.
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