Condition
Purchase
Sort by
Time
Various
Unc unf unified tap 5 - unified,
£7.95
Buy It Now
Unc taps british made - unc,
£6.53
Buy It Now
Unc straight flute tap - straight,
£16.19
Buy It Now
Unc hss hand - hss, taps
£13.90
Buy It Now
Unc threading taps first - 3/8,
£7.95
Buy It Now
Bottoming plug tap - tap, sae
£7.95
Buy It Now
Unc high speed steel straight - unc,
£137.40
Buy It Now
Pro unc unf - unc, tap
£20.69
Buy It Now
Unc unf unified split - unf,
£9.95
Buy It Now
Unc tap set 1 - 3, 1/8
£60.71
Buy It Now
Unc unf unified die - unc,
£5.95
Buy It Now
Various sizes carbon steel - of,
£1.50
Buy It Now
Unc hss taps 12 - 5, 3/8"
£7.99
Buy It Now
Unc machine hand - unc, hss
£64.71
Buy It Now
Unc tap die set - tap, &
£17.26
Buy It Now
Unc machine hand taps hss - machine,
£64.71
Buy It Now
Goliath unc hss tap - 3/8,
£6.95
Buy It Now
Pro 40pc unc - 40pc,
£26.69
Buy It Now
Tpi sae imperial - ,
£4.89
Buy It Now
Unc taper plug tap set - tap,
£15.61
Buy It Now
Dormer vangard skf e974 - vangard,
£5.98
Buy It Now
Unc 16 tpi tap - unc,
£6.50
Buy It Now
Perfect draft tap handle - draft,
£12.95
Buy It Now
Pro tap and - us,
£23.95
Buy It Now
Left hand unc tap set - hand, 3/8"
£10.95
Buy It Now
Dormer unc machine - unc, tap
£7.95
Buy It Now
Unc tap hss split die - tap,
£12.95
Buy It Now
Unc taps and dies - all, sizes
£7.95
Buy It Now
Tap and drill bit set - tap, 7/16-14
£13.20
Buy It Now
Helicoil plus kit recoil 8 - helicoil®,
£26.70
Buy It Now
Unc unf unified sae - sae, die
£5.95
Buy It Now
Unc hss insert tap - unc,
£6.95
Buy It Now
Unc bsw 6 - 4#, 8#
£3.67
Buy It Now
Unc unf unified - unf, inch
£5.95
Buy It Now
Hss tap set - hss,
£15.75
Buy It Now
Unc hss second - 3/8", tap
£4.01
Buy It Now
Used engineering taps hand - used,
£18.00
Buy It Now
1 unc unf nc nf - 7/8",
£12.95
Buy It Now
Unc machine hand taps - unc,
£67.78
Buy It Now
Hss piece tap set 8 - 3,
£57.90
Buy It Now
Various sizes high speed - various,
£3.45
Buy It Now
Unc hss tap set 1 - -, 1/4"
£29.99
Buy It Now
Goliath unc flute nut - unc, 3-flute
£5.00
Buy It Now
Presto unc taps - presto,
£9.35
Buy It Now
Dormer 16 unc hss - x,
£5.95
Buy It Now
Vintage warrior unc thread - warrior,
£16.15
Buy It Now
Unc hss hand thread - 16,
£7.60
Buy It Now
Coil thread insert second - v-coil,
£9.65
Buy It Now
Unc tap set 40 - #4-40, #6-32
£6.47
Buy It Now
Imperial hss spiral flute - hss,
£34.06
Buy It Now
16tpi unc unified - 3/8",
£5.99
Buy It Now
Blade adaptor unc - unc-16, and
£13.96
Buy It Now
Dormer unc hss - unc,
£6.95
Buy It Now
Hss ground tap 16 - 3/8, x
£8.15
Buy It Now
Unc hss tap - set,
£17.95
Buy It Now
Unc tap hsse blue band - 3/8,
£11.00
Buy It Now
Unc spiral point tap - unc,
£7.52
Buy It Now
Osborn 8x16 unc - osborn, second
£7.95
Buy It Now
Right hand tap and - set, 3/8
£13.67
Buy It Now
Hss die bsf - hss, unc,
£10.95
Buy It Now
Unc threading taps first - taps,
£12.95
Buy It Now
Presto unc second - presto,
£8.95
Buy It Now
Unc unf spiral - /, /
£16.95
Buy It Now
Unc tpi hss - x, tap
£12.83
Buy It Now
Perfectdraft adaptor - adaptor, 3/8"
£12.89
Buy It Now
Osg 1066ht bottom - osg, threading
£9.99
Buy It Now
Unc unified national coarse - unc,
£11.27
Buy It Now
Hss ground thread - hss, 3/8x16
£9.60
Buy It Now
Unc dormer e500 hss - unc,
£27.74
Buy It Now
Unc hss tap set british - tap,
£14.95
Buy It Now
Unc carbon steel tap set - unc, (1
£13.53
Buy It Now
Unc unf tap and - unf,
£8.27
Buy It Now
Unc rake spiral - 10°,
£10.42
Buy It Now
Twt second lead tap - uk,
£9.95
Buy It Now
Unc spiral point plug - unc,
£9.76
Buy It Now
Unc rake plug tap - unc,
£10.42
Buy It Now
Unc rake spiral flute - 3/8,
£10.42
Buy It Now
Unc 2b spiral point - 16,
£17.73
Buy It Now
Unc thread tap hss machine - thread, m2
£4.73
Buy It Now
Presto unc taps dies second - dies,
£23.33
Buy It Now
2 die cutting - 1"/1.5"/2",
£18.98
Buy It Now
Engineers unc hss - unc,
£25.00
Buy It Now
New unc standard - standard, taps
£5.00
Buy It Now
Industrial grade hss - grade, 16
£10.94
Buy It Now
Unc rake plug tap - rake,
£10.42
Buy It Now
Unc thread tap set - ,
£19.50
Buy It Now
3pcs hand tap set 16 - 3pcs,
£25.78
Buy It Now
Presto tap sets - 5/16, 3/8
£41.26
Buy It Now
Unc unf left hand - unf,
£39.95
Buy It Now
Unc hss spiral - unc, flute
£8.00
Buy It Now
Dormer e515 hss unc hand - dormer,
£49.99
Buy It Now
X 16 tpi - 3/8",
£6.52
Buy It Now
Bsw bsf unc unf - bsf,
£5.99
Buy It Now
Unc 2b thread hand - unc,
£17.05
Buy It Now
Unc machine hand - unc,
£64.71
Buy It Now
Machine tap unc - tap, 3/8-16
£14.12
Buy It Now
Looking for more 3 8 unc tap?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 3 8 unc tap listings currently in our index. Prices range from £1.5 to £137.4, with an average of £17.55. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about 3 8 unc tap →
Try this: 30mm spanner | 32mm filter | 30mm deep socket | 32mm socket | 312mm carriers | 35mm spanner | 36mm deep socket | 38mm spanner | 41mm spanner | 5 8 reamer
Whether you are looking for a brand-new or second-hand 3 8 unc tap, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £1.5, while premium listings can reach £137.4 — giving you a wide budget spread to work with. The average price of £17.55 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.