£189.99

Dormer E2787/8 HSS-E-PM 7/8"-14 UNF Straight Flute Tap

E2787/8

Price data last checked 26 day(s) ago - will refresh soon

View at Amazon

We'll watch every seller, every day. One email when your price arrives.

This is the most expensive it has ever been. Walk away.

£190 today · previous high £190 · all-time low £156

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↓ Price chart
when this has been cheap or pricey
↓ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 65 days · 65 data points (no recent data)

Historical
Generating forecast…
£189.99 £152.59 £160.75 £168.91 £177.07 £185.23 £193.39 09 May 2026 25 May 2026 10 June 2026 26 June 2026 12 July 2026

Price Distribution

Price distribution over 65 days • 2 price levels

Days at Price
Current Price
42 days 23 days · current 0 11 21 32 42 £156 £190 Days at Price

Price Analysis

Most common price: £156 (42 days, 64.6%)

Price range: £156 - £190

Price levels: 2 different prices over 65 days

Description

Achieve precision threading with the Dormer E2787/8 Series E278 HSS-E-PM Straight Flute Machine Tap. This high-performance tool is engineered for professionals who require reliability and longevity in demanding workshop environments. Built with premium powder metal high speed cobalt, this tap provides superior performance and an extended tool life compared to standard alternatives. The straight flute design allows for efficient threading in both through holes and blind holes, making it a highly versatile addition to your tool kit. Whether you are working with aluminium, steel, stainless steel, or cast iron, this tap delivers consistent results. The bright finish is specifically designed to prevent workpiece material from sticking to the cutting edge, ensuring smoother operation and cleaner threads. Manufactured to the DIN374 standard, this 7/8"-14 UNF tap meets strict German industrial specifications for quality and accuracy. With a 22.23 mm cutting diameter and a 140 mm length, it is a robust solution for heavy-duty machining tasks. Trust Dormer Pramet for tooling that meets rigorous industrial standards.

Key Features

Premium HSS-E-PM material uses powder metal high speed cobalt to provide superior performance and extended tool life during intensive use.

Bright finish prevents workpiece material from sticking to the cutting edge, ensuring cleaner threads and smoother machining processes.

Straight flute design is optimized for the efficient threading of both through holes and blind holes.

Highly versatile application makes this the first choice for tapping aluminium, while remaining suitable for steel, stainless steel, and cast iron.

Manufactured to DIN374 standards, ensuring the tool conforms to strict German institute for standardization requirements for quality and precision.

Product Specifications

Barcode

No barcode data available

Similar Products You Might Like

Dormer E2783/4 Series E278 HSS-E-PM Straight Flute Machine Tap UNF with Bright Finish, DIN374 Standard, 3/4"-16 Thread, 19.05 mm Cutting Diameter, 125 mm Length
99% match

Dormer E2783/4 Series E278 HSS-E-PM Straight Flute Machine Tap UNF with Bright Finish, DIN374 Standard, 3/4"-16 Thread, 19.05 mm Cutting Diameter, 125 mm Length

Dormer

£62.15 24 Jun 2026
Dormer E2781.1/8 Series E278 HSS-E-PM Straight Flute Machine Tap UNF with Bright Finish, DIN374 Standard, 1.1/8"-12 Thread, 28.58 mm Cutting Diameter, 150 mm Length
99% match

Dormer E2781.1/8 Series E278 HSS-E-PM Straight Flute Machine Tap UNF with Bright Finish, DIN374 Standard, 1.1/8"-12 Thread, 28.58 mm Cutting Diameter, 150 mm Length

Dormer

£166.80 24 Jun 2026
Dormer E268M32X1.5 Series E268 HSS-E-PM Straight Flute Machine Tap Metric Fine with Bright Finish, DIN374 Standard, MF32 x 1.50 mm Thread, 150 mm Length
99% match

Dormer E268M32X1.5 Series E268 HSS-E-PM Straight Flute Machine Tap Metric Fine with Bright Finish, DIN374 Standard, MF32 x 1.50 mm Thread, 150 mm Length

Dormer

£155.64 23 Jun 2026
Dormer E268M26X2.0 Series E268 HSS-E-PM Straight Flute Machine Tap Metric Fine with Bright Finish, DIN374 Standard, MF26 x 2.00 mm Thread, 140 mm Length
99% match

Dormer E268M26X2.0 Series E268 HSS-E-PM Straight Flute Machine Tap Metric Fine with Bright Finish, DIN374 Standard, MF26 x 2.00 mm Thread, 140 mm Length

Dormer

£117.84 23 Jun 2026
Dormer E268M48X3.0 Series E268 HSS-E-PM Straight Flute Machine Tap Metric Fine with Bright Finish, DIN374 Standard, MF48 x 3.00 mm Thread, 225 mm Length
99% match

Dormer E268M48X3.0 Series E268 HSS-E-PM Straight Flute Machine Tap Metric Fine with Bright Finish, DIN374 Standard, MF48 x 3.00 mm Thread, 225 mm Length

Dormer

£466.80 23 Jun 2026
Dormer E268M45X2.0 Series E268 HSS-E-PM Straight Flute Machine Tap Metric Fine with Bright Finish, DIN374 Standard, MF45 x 2.00 mm Thread, 180 mm Length
99% match

Dormer E268M45X2.0 Series E268 HSS-E-PM Straight Flute Machine Tap Metric Fine with Bright Finish, DIN374 Standard, MF45 x 2.00 mm Thread, 180 mm Length

Dormer

£373.24 04 Jul 2026
Dormer E268M24X1.5 Series E268 HSS-E-PM Straight Flute Machine Tap Metric Fine with Bright Finish, DIN374 Standard, MF24 x 1.50 mm Thread, 140 mm Length
99% match

Dormer E268M24X1.5 Series E268 HSS-E-PM Straight Flute Machine Tap Metric Fine with Bright Finish, DIN374 Standard, MF24 x 1.50 mm Thread, 140 mm Length

Dormer

£59.98 09 Jul 2026
Dormer E251M22 Series E251 HSS-E-PM Straight Flute Left Had Machine Tap Metric with Bright Finish, DIN376 Standard, M22 x 2.50 mm Thread, 140 mm Length
99% match

Dormer E251M22 Series E251 HSS-E-PM Straight Flute Left Had Machine Tap Metric with Bright Finish, DIN376 Standard, M22 x 2.50 mm Thread, 140 mm Length

Dormer

£129.65 25 Jun 2026
Dormer E268M14X1.0 Series E268 HSS-E-PM Straight Flute Machine Tap Metric Fine with Bright Finish, DIN374 Standard, MF14 x 1.00 mm Thread, 100 mm Length
99% match

Dormer E268M14X1.0 Series E268 HSS-E-PM Straight Flute Machine Tap Metric Fine with Bright Finish, DIN374 Standard, MF14 x 1.00 mm Thread, 100 mm Length

Dormer

£46.48 24 Jun 2026
Dormer E290M12X1.5 Series E290 HSS-E-PM Straight Flute Left Had Machine Tap Metric Fine with Bright Finish, DIN374 Standard, MF12 x 1.50 mm Thread, 100 mm Length
99% match

Dormer E290M12X1.5 Series E290 HSS-E-PM Straight Flute Left Had Machine Tap Metric Fine with Bright Finish, DIN374 Standard, MF12 x 1.50 mm Thread, 100 mm Length

Dormer

£51.31 23 Jun 2026
Dormer E290M24X1.5 Series E290 HSS-E-PM Straight Flute Left Had Machine Tap Metric Fine with Bright Finish, DIN374 Standard, MF24 x 1.50 mm Thread, 140 mm Length
99% match

Dormer E290M24X1.5 Series E290 HSS-E-PM Straight Flute Left Had Machine Tap Metric Fine with Bright Finish, DIN374 Standard, MF24 x 1.50 mm Thread, 140 mm Length

Dormer

£97.28 25 Jun 2026
Dormer E251M14 Series E251 HSS-E-PM Straight Flute Left Had Machine Tap Metric with Bright Finish, DIN376 Standard, M14 x 2.00 mm Thread, 110 mm Length
99% match

Dormer E251M14 Series E251 HSS-E-PM Straight Flute Left Had Machine Tap Metric with Bright Finish, DIN376 Standard, M14 x 2.00 mm Thread, 110 mm Length

Dormer

£43.59 25 Jun 2026
Dormer E251M24 Series E251 HSS-E-PM Straight Flute Left Had Machine Tap Metric with Bright Finish, DIN376 Standard, M24 x 3.00 mm Thread, 160 mm Length
99% match

Dormer E251M24 Series E251 HSS-E-PM Straight Flute Left Had Machine Tap Metric with Bright Finish, DIN376 Standard, M24 x 3.00 mm Thread, 160 mm Length

Dormer

£81.25 24 Jun 2026
Dormer E2821.1/2 Series E282 HSS-E-PM Straight Flute Machine Tap BSP(G) with Bright Finish, DIN Standard, 1.1/2"-11 Thread, 47.80 mm Cutting Diameter, 190 mm Length
99% match

Dormer E2821.1/2 Series E282 HSS-E-PM Straight Flute Machine Tap BSP(G) with Bright Finish, DIN Standard, 1.1/2"-11 Thread, 47.80 mm Cutting Diameter, 190 mm Length

Dormer

£448.80 23 Jun 2026
Dormer E251M12 Series E251 HSS-E-PM Straight Flute Left Had Machine Tap Metric with Bright Finish, DIN376 Standard, M12 x 1.75 mm Thread, 110 mm Length
99% match

Dormer E251M12 Series E251 HSS-E-PM Straight Flute Left Had Machine Tap Metric with Bright Finish, DIN376 Standard, M12 x 1.75 mm Thread, 110 mm Length

Dormer

£46.55 08 Jul 2026
Dormer E7091/2 Series E709 HSS NPSF Straight Flute Machine Tap, Bright Finish, 1/2"-14 x 100mm
99% match

Dormer E7091/2 Series E709 HSS NPSF Straight Flute Machine Tap, Bright Finish, 1/2"-14 x 100mm

Dormer

£60.19 26 Jun 2026
Dormer E7141 Series E714 HSS-E-PM NPT Straight Flute Machine Tap, Bright Finish, 1" x 11.5 x 150mm
99% match

Dormer E7141 Series E714 HSS-E-PM NPT Straight Flute Machine Tap, Bright Finish, 1" x 11.5 x 150mm

Dormer

£271.99 24 Jun 2026
Dormer E1117/8NO3 Series E111 HSS Straight Flute Serial Hand Tap UNF with Bright Finish, DIN352 Standard, NO3, 7/8"-14 Thread, 22.23 mm Cutting Diameter, 90 mm Length
99% match

Dormer E1117/8NO3 Series E111 HSS Straight Flute Serial Hand Tap UNF with Bright Finish, DIN352 Standard, NO3, 7/8"-14 Thread, 22.23 mm Cutting Diameter, 90 mm Length

Dormer

£72.32 22 Jun 2026
Dormer E258M27 Series E258 HSS-E-PM 15 Degrees Spiral Flute Machine Tap Metric with Bright Finish, DIN376 Standard, M27 x 3.00 mm Thread, 160 mm Length
98% match

Dormer E258M27 Series E258 HSS-E-PM 15 Degrees Spiral Flute Machine Tap Metric with Bright Finish, DIN376 Standard, M27 x 3.00 mm Thread, 160 mm Length

Dormer

£128.67 10 Jul 2026
Dormer E1083/4NO8 Series E108 HSS Straight Flute Serial Hand Tap UNC with Bright Finish, DIN352 Standard, NO8, 3/4"-10 Thread, 19.05 mm Cutting Diameter, 95 mm Length
98% match

Dormer E1083/4NO8 Series E108 HSS Straight Flute Serial Hand Tap UNC with Bright Finish, DIN352 Standard, NO8, 3/4"-10 Thread, 19.05 mm Cutting Diameter, 95 mm Length

Dormer

£148.33 23 Jun 2026
Dormer E2877/16 Series E287 HSS-E Flute less Machine Tap with Lubrication Grooves, UNC with Tin Coating, DIN Standard, 7/16"-14 Thread, 11.112 mm Cutting Diameter, 100 mm Length
98% match

Dormer E2877/16 Series E287 HSS-E Flute less Machine Tap with Lubrication Grooves, UNC with Tin Coating, DIN Standard, 7/16"-14 Thread, 11.112 mm Cutting Diameter, 100 mm Length

Dormer

£80.61 23 Jun 2026
Dormer E288M10X1.25 Series E288 HSS-E Flute less Machine Tap Metric Fine with Tin Coating, DIN Standard, MF10 x 1.25 mm Thread, 100 mm Length
98% match

Dormer E288M10X1.25 Series E288 HSS-E Flute less Machine Tap Metric Fine with Tin Coating, DIN Standard, MF10 x 1.25 mm Thread, 100 mm Length

Dormer

£77.88 24 Jun 2026
Dormer E2865/16 Series E286 HSS-E Flute less Machine Tap with Lubrication Grooves, UNF with Tin Coating, DIN Standard, 5/16"-24 Thread, 7.938 mm Cutting Diameter, 90 mm Length
98% match

Dormer E2865/16 Series E286 HSS-E Flute less Machine Tap with Lubrication Grooves, UNF with Tin Coating, DIN Standard, 5/16"-24 Thread, 7.938 mm Cutting Diameter, 90 mm Length

Dormer

£51.74 25 Jun 2026
Dormer M Machine Tap Straight Flute, Pack of 1
98% match

Dormer M Machine Tap Straight Flute, Pack of 1

Dormer

£477.77 24 Jun 2026