Universal bit sets

What universal bit sets cover

Universal bit sets gather many screwdriver bit profiles into one organised case. Piece counts across this range run from 7 pieces up to 100 pieces. Common profiles include Phillips PH, Pozidriv PZ, TORX, hex and slotted. Several boxes add extension bars, handles, adapters and socket inserts. Moulded trays keep every item in a fixed position. Technicians can therefore check for missing pieces quickly before leaving a job site.

Large assortments suit workshops that meet many screw heads in a single shift. The 100-piece 0640 from Fervi Italia collects slotted, Phillips, Pozidriv, TORX, hex, square and spline bits, with several sizes per group. For combined bit and socket work, 0277 holds 58 pieces on a 1/4 inch hex shank of 6.3 mm. Both formats serve maintenance, installation and home repair tasks.

Bit profiles and shank types

Shank design decides which handles, holders and power tools accept the bits. A 1/4 inch hex shank, equal to 6.3 mm, appears in most sets here. Square drives of 1/4 inch and 1/2 inch appear where sockets or machine adapters are involved. Bit profiles follow the screw head: PH and PZ for cross recesses, TORX for star recesses, hex and slotted for the rest.

The 41-piece 0402 uses a 1/4 inch hex shank and combines Mo-V and Cr-V material. The 33-piece 0626 also works on a 1/4 inch shank. For square-drive work, 0403 supplies 26 pieces with a reversible ratchet handle and a 1/4 inch square drive. Its transparent case front shows every component at a glance.

Star recesses often need a dedicated group rather than a few sizes. The 0104 assortment holds 40 TORX pieces on a 1/2 inch square drive for screwdriving machines. Hex users can turn to 0732, which contains 30 bits, one adapter and one 25 mm magnetic bit holder. Its range covers slotted 3, 4, 5.5 and 7 mm, plus PH1 to PH4 and PZ1 to PZ3.

Set sizes from compact to full workshop

Compact sets travel well and keep the most frequent sizes within reach. Larger boxes cover rare screw heads that appear during unplanned repairs. Choosing a size starts with the screw types met each week, not with the highest piece count. Many WITTE and CIMCO boxes double as a handle or a belt-friendly case. That design keeps bits together during service calls in plant rooms and electrical cabinets.

Among small sets, 25101 holds 7 PH and PZ bits on a 1/4 inch shank. The case folds into a handle with a two-component moulded grip and a slot for each bit. The 9-piece 0207 uses double-ended Cr-V bits with a handle and a bright chrome-plated finish. Both formats suit quick fastening jobs and light carrying.

Mid-size boxes bridge portability and coverage. WITTE 28020 holds 20 bits and sockets, with the case acting as the handle. The 32-piece 312012 adds PH, PZ, TORX bits, an adapter and one extension bar for screwdriving guns. For 35 pieces in a slotted plastic mould, 28035 gives every bit and socket its own seat.

Full workshop sets bring sockets, ratchets and adapters into the same tray. The 24-piece Pro line 312002 uses a 1/4 inch square drive that connects to Witte handles, stored under a transparent lid. Fervi 0404 holds 35 bits and sockets in Mo-V and Cr-V, inside a case with numbered compartments. Numbering speeds up refilling after a long service day.

Bit length, coatings and electrical work

Bit length matters when the screw sits deep inside a housing or junction box. Longer bits reach the fastener without removing surrounding parts. Coatings change surface hardness and the feel of engagement inside the recess. Magnetic holders keep small screws on the tip during overhead or one-handed work. Electricians often need tamper-resistant profiles that standard household sets do not include.

For coated bits, WITTE 25104 supplies 7 pieces with a Titanium Nitride layer of roughly 2800 HV hardness. The related 25105 holds 7 TiN-coated PH and PZ bits in the same layout. CIMCO 114602 contains 20 bits of 90 mm length plus a 60 mm permanent-magnet holder, aimed at daily electrical installation and deep boxes.

Security screws call for dedicated profiles and longer reach. CIMCO 114599 holds 32 bits, one of each type, with a 60 mm magnetic holder for 1/4 inch bits. It addresses tamper-resistant screws on switchgear, control cabinets and machinery. The 50-piece 114606 keeps every bit at 75 mm, reaching fasteners set deep inside mounting holes.

Sets with sockets, ratchets and machine adapters

Some boxes combine bits with sockets so one case handles screws and nuts. A ratchet handle speeds up repeated fastening in tight spaces. An adapter lets the same bits run in a cordless screwdriver or impact driver. Case material also varies, from moulded plastic trays to slim aluminium boxes. Weight and box length become relevant when tools travel in a service bag every day.

CIMCO 113154 gathers 28 pieces with sockets, bits and a ratchet handle in a two-colour plastic box. Its 12-point sockets run from 4 mm to 14 mm, held in a positioning tray. CIMCO 113158 packs 37 pieces into a 130 mm aluminium box weighing 320 g, with a 1/4 inch adapter for screwdriving machines.

Five common bit systems can also sit in one small plastic box. CIMCO 114593 holds 32 pieces: 3 slotted SZ, 4 PH, 4 PZ, 4 hex and 16 TX bits. Seven TX bits carry a bore for pin-in TORX screws. Where a handle matters more than volume, Fervi 0407 pairs a 105 mm handle with a 1/4 inch hex shank.

Care, storage and selection notes

Return each bit to its numbered slot after use so gaps stay visible. Wipe oil and metal dust from tips before closing the case. Match the bit size to the recess to limit slipping and tip wear. Check the shank type before ordering, since 1/4 inch hex and square drives are not interchangeable. Keep separate sets for machine driving and hand driving where workload is heavy.

Compare piece count, shank, bit length and case format against your daily tasks, then shortlist two or three references from this range. Contact us with the screw profiles and drive tools you use, and we will confirm the matching set codes.