BSPP G plug gageBSPP G ring gage

BSPP thread gauges ring plug  gages supplier

BSPP thread gauges is British Standard Pipe Parallel thread gauges with 55°  thread angle.

GO& NOGO, RH (right hand) & LH (Left hand ) available

At gaugestools, all the BSPP G thread gages manufacturing according to standard ISO228

There are two kinds of British Pipe Threads, one is BSPT(R), another is BSPP(G).

BSPP (G) threads are cylindrical with parallel threads non-sealing. BSPT threads are taper with sealing function.

These threads are widely used in plumbing and pipe fittings.

British pipe threads come from British Whitworth threads.

  • Material:Oil hardened tool steel-Gcr15, high wear resistance.
  • Hardness: 58-62 HRC
  • Ring gages are solid; Plug gauges are Taperlock- double ends with one handle. our solid ring gages can be used directly, no need setting plug gages to test them in advance. The advantage of Taper-lock style is when one end worn out, one new end can be replaced quickly and easily.The handle and end in good condition can be used again.
  • All gages are brand new
  • Gage manufacturer ISO9001 certified
  • gaugestools know the importance of controlling temperature and humidity when testing gages, the temperature will be 20 degree +- 0.5 degree, the humidity will be 45%-65%.
  • Long form calibration certificate from ISO17025 accredited lab can be provided, but it need to be told in advance, and need extra costs.
  • We can provide laser marking service on the gauges. For example, clents’ Logo.
  • Delivery time: 3-5 days.We will send goods by express, Fedex, DHL or UPS. A tracking number will be sent to clients once shipped.
  • all these gauges are fixed limit gauges, inspecting thread on a pass/ fail basis, not checking detailed size of thread.

Big stock of  BSPP G thread gauges as below:

BSPP G1/8 x 28 BSPP G1/4 x 19 BSPP G3/8 x 19
BSPP G1/2 x 14 BSPP G5/8 x 14 BSPP G3/4 x 14
BSPP G7/8 x 14 BSPP G1″ x 11 BSPP G1 1/8 x 11
BSPP G1 1/4 x 11 BSPP G1 1/2 x 11 BSPP G1 3/4 x 11
BSPP G2″ x 11 BSPP G2 1/4 x 11 BSPP G2 1/2 x 11
BSPP G2 3/4 x 11 BSPP G3″ x 11 BSPP G3 1/2 x 11
BSPP G4″ x 11 BSPP G4 1/2 x 11 BSPP G5″ x 11
BSPP G5 1/2 x 11 BSPP G6″ x 11


We know the reliable accuracy is essential,By continuously improving the effectiveness of our process and providing on time 100%-okey products to customers, we will strive to ensure customer satisfaction. “customer satisfaction”  is our pursuit forever.

Main shipping way: by Express (DHL,UPS,FEDEX and EMS etc)

BSPP G threadBSPP (G) thread

H=0.960 491 P;   h=0.640 327 P;  r=0.137 329 P;  P=25.4/n

Both Crest and root are rounded.

Accepted payment way: T/T , Paypal , Credit Card

Welcome new and old clients come to talk business with us!